Home / 39,242.27-54,155.00-21,337.39

Finding the Fourth Proportional to 39,242.27, 54,155.00 and 21,337.39

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Solution

The fourth proportional to 39,242.27, 54,155.00 and 21,337.39 is: 29,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,242.27 : 54,155.00 = 21,337.39 : x
  2. Step 2: Convert to fraction form
    39,242.27/54,155.00 = 21,337.39/x
  3. Step 3: Cross multiply
    39,242.27x = 54,155.00 × 21,337.39
  4. Step 4: Simplify right side
    39,242.27x = 1,155,526,273.41
  5. Step 5: Solve for x
    x = 1,155,526,273.41/39,242.27
  6. Step 6: Final answer
    x = 29,445.96

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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.