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Finding the Fourth Proportional to 60,917.92, 84,031.68 and 35,762.56

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Solution

The fourth proportional to 60,917.92, 84,031.68 and 35,762.56 is: 49,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,917.92 : 84,031.68 = 35,762.56 : x
  2. Step 2: Convert to fraction form
    60,917.92/84,031.68 = 35,762.56/x
  3. Step 3: Cross multiply
    60,917.92x = 84,031.68 × 35,762.56
  4. Step 4: Simplify right side
    60,917.92x = 3,005,187,997.90
  5. Step 5: Solve for x
    x = 3,005,187,997.90/60,917.92
  6. Step 6: Final answer
    x = 49,331.76

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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.