Home / 39,063.27-53,906.67-21,158.13

Finding the Fourth Proportional to 39,063.27, 53,906.67 and 21,158.13

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Solution

The fourth proportional to 39,063.27, 53,906.67 and 21,158.13 is: 29,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,063.27 : 53,906.67 = 21,158.13 : x
  2. Step 2: Convert to fraction form
    39,063.27/53,906.67 = 21,158.13/x
  3. Step 3: Cross multiply
    39,063.27x = 53,906.67 × 21,158.13
  4. Step 4: Simplify right side
    39,063.27x = 1,140,564,331.73
  5. Step 5: Solve for x
    x = 1,140,564,331.73/39,063.27
  6. Step 6: Final answer
    x = 29,197.87

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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.