Home / 39,532.13-54,555-21,627.26

Finding the Fourth Proportional to 39,532.13, 54,555 and 21,627.26

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Solution

The fourth proportional to 39,532.13, 54,555 and 21,627.26 is: 29,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,532.13 : 54,555 = 21,627.26 : x
  2. Step 2: Convert to fraction form
    39,532.13/54,555 = 21,627.26/x
  3. Step 3: Cross multiply
    39,532.13x = 54,555 × 21,627.26
  4. Step 4: Simplify right side
    39,532.13x = 1,179,875,169.30
  5. Step 5: Solve for x
    x = 1,179,875,169.30/39,532.13
  6. Step 6: Final answer
    x = 29,845.98

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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.