Home / 39,683.72-59,534.39-13,387.88

Finding the Fourth Proportional to 39,683.72, 59,534.39 and 13,387.88

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Solution

The fourth proportional to 39,683.72, 59,534.39 and 13,387.88 is: 20,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,683.72 : 59,534.39 = 13,387.88 : x
  2. Step 2: Convert to fraction form
    39,683.72/59,534.39 = 13,387.88/x
  3. Step 3: Cross multiply
    39,683.72x = 59,534.39 × 13,387.88
  4. Step 4: Simplify right side
    39,683.72x = 797,039,451.50
  5. Step 5: Solve for x
    x = 797,039,451.50/39,683.72
  6. Step 6: Final answer
    x = 20,084.80

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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.