Home / 56,229.12-77,593.14-31,077

Finding the Fourth Proportional to 56,229.12, 77,593.14 and 31,077

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Solution

The fourth proportional to 56,229.12, 77,593.14 and 31,077 is: 42,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,229.12 : 77,593.14 = 31,077 : x
  2. Step 2: Convert to fraction form
    56,229.12/77,593.14 = 31,077/x
  3. Step 3: Cross multiply
    56,229.12x = 77,593.14 × 31,077
  4. Step 4: Simplify right side
    56,229.12x = 2,411,362,011.78
  5. Step 5: Solve for x
    x = 2,411,362,011.78/56,229.12
  6. Step 6: Final answer
    x = 42,884.58

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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.