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Finding the Fourth Proportional to 50,006.52, 74,944.68 and 20,389.68

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Solution

The fourth proportional to 50,006.52, 74,944.68 and 20,389.68 is: 30,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,006.52 : 74,944.68 = 20,389.68 : x
  2. Step 2: Convert to fraction form
    50,006.52/74,944.68 = 20,389.68/x
  3. Step 3: Cross multiply
    50,006.52x = 74,944.68 × 20,389.68
  4. Step 4: Simplify right side
    50,006.52x = 1,528,098,042.90
  5. Step 5: Solve for x
    x = 1,528,098,042.90/50,006.52
  6. Step 6: Final answer
    x = 30,557.98

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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.