Home / 39,937.25-59,905.88-13,642.22

Finding the Fourth Proportional to 39,937.25, 59,905.88 and 13,642.22

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Solution

The fourth proportional to 39,937.25, 59,905.88 and 13,642.22 is: 20,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937.25 : 59,905.88 = 13,642.22 : x
  2. Step 2: Convert to fraction form
    39,937.25/59,905.88 = 13,642.22/x
  3. Step 3: Cross multiply
    39,937.25x = 59,905.88 × 13,642.22
  4. Step 4: Simplify right side
    39,937.25x = 817,249,326.97
  5. Step 5: Solve for x
    x = 817,249,326.97/39,937.25
  6. Step 6: Final answer
    x = 20,463.33

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.