Home / 42,189.28-58,220.74-23,326.36

Finding the Fourth Proportional to 42,189.28, 58,220.74 and 23,326.36

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Solution

The fourth proportional to 42,189.28, 58,220.74 and 23,326.36 is: 32,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,189.28 : 58,220.74 = 23,326.36 : x
  2. Step 2: Convert to fraction form
    42,189.28/58,220.74 = 23,326.36/x
  3. Step 3: Cross multiply
    42,189.28x = 58,220.74 × 23,326.36
  4. Step 4: Simplify right side
    42,189.28x = 1,358,077,940.71
  5. Step 5: Solve for x
    x = 1,358,077,940.71/42,189.28
  6. Step 6: Final answer
    x = 32,190.12

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Half scale
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Double scale
Find fourth proportional to 42,190.28, 58,222.12 and 23,327.36
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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.