Home / 40,203.12-55,480.71-22,299.90

Finding the Fourth Proportional to 40,203.12, 55,480.71 and 22,299.90

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Solution

The fourth proportional to 40,203.12, 55,480.71 and 22,299.90 is: 30,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,203.12 : 55,480.71 = 22,299.90 : x
  2. Step 2: Convert to fraction form
    40,203.12/55,480.71 = 22,299.90/x
  3. Step 3: Cross multiply
    40,203.12x = 55,480.71 × 22,299.90
  4. Step 4: Simplify right side
    40,203.12x = 1,237,214,284.93
  5. Step 5: Solve for x
    x = 1,237,214,284.93/40,203.12
  6. Step 6: Final answer
    x = 30,774.09

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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.