Home / 56,229.42-77,601.54-31,083.78

Finding the Fourth Proportional to 56,229.42, 77,601.54 and 31,083.78

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Solution

The fourth proportional to 56,229.42, 77,601.54 and 31,083.78 is: 42,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,229.42 : 77,601.54 = 31,083.78 : x
  2. Step 2: Convert to fraction form
    56,229.42/77,601.54 = 31,083.78/x
  3. Step 3: Cross multiply
    56,229.42x = 77,601.54 × 31,083.78
  4. Step 4: Simplify right side
    56,229.42x = 2,412,149,197.02
  5. Step 5: Solve for x
    x = 2,412,149,197.02/56,229.42
  6. Step 6: Final answer
    x = 42,898.35

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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.