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Finding the Fourth Proportional to 62,882.45, 86,752.16 and 35,652.79

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Solution

The fourth proportional to 62,882.45, 86,752.16 and 35,652.79 is: 49,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,882.45 : 86,752.16 = 35,652.79 : x
  2. Step 2: Convert to fraction form
    62,882.45/86,752.16 = 35,652.79/x
  3. Step 3: Cross multiply
    62,882.45x = 86,752.16 × 35,652.79
  4. Step 4: Simplify right side
    62,882.45x = 3,092,956,414.78
  5. Step 5: Solve for x
    x = 3,092,956,414.78/62,882.45
  6. Step 6: Final answer
    x = 49,186.33

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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.