Home / 56,132.46-77,462.87-30,981.96

Finding the Fourth Proportional to 56,132.46, 77,462.87 and 30,981.96

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Solution

The fourth proportional to 56,132.46, 77,462.87 and 30,981.96 is: 42,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,132.46 : 77,462.87 = 30,981.96 : x
  2. Step 2: Convert to fraction form
    56,132.46/77,462.87 = 30,981.96/x
  3. Step 3: Cross multiply
    56,132.46x = 77,462.87 × 30,981.96
  4. Step 4: Simplify right side
    56,132.46x = 2,399,951,384.92
  5. Step 5: Solve for x
    x = 2,399,951,384.92/56,132.46
  6. Step 6: Final answer
    x = 42,755.14

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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.