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Finding the Fourth Proportional to 35,139.52, 52,707.96 and 8,843.92

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Solution

The fourth proportional to 35,139.52, 52,707.96 and 8,843.92 is: 13,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,139.52 : 52,707.96 = 8,843.92 : x
  2. Step 2: Convert to fraction form
    35,139.52/52,707.96 = 8,843.92/x
  3. Step 3: Cross multiply
    35,139.52x = 52,707.96 × 8,843.92
  4. Step 4: Simplify right side
    35,139.52x = 466,144,981.60
  5. Step 5: Solve for x
    x = 466,144,981.60/35,139.52
  6. Step 6: Final answer
    x = 13,265.55

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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.