Home / 42,226.76-58,220.06-30,887.12

Finding the Fourth Proportional to 42,226.76, 58,220.06 and 30,887.12

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Solution

The fourth proportional to 42,226.76, 58,220.06 and 30,887.12 is: 42,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,226.76 : 58,220.06 = 30,887.12 : x
  2. Step 2: Convert to fraction form
    42,226.76/58,220.06 = 30,887.12/x
  3. Step 3: Cross multiply
    42,226.76x = 58,220.06 × 30,887.12
  4. Step 4: Simplify right side
    42,226.76x = 1,798,249,979.63
  5. Step 5: Solve for x
    x = 1,798,249,979.63/42,226.76
  6. Step 6: Final answer
    x = 42,585.55

Related Problems

Find fourth proportional to 21,113.38, 29,110.03 and 15,443.56
Half scale
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Double scale
Find fourth proportional to 42,227.76, 58,221.44 and 30,888.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.