Home / 55,545.49-76,650.87-31,679.85

Finding the Fourth Proportional to 55,545.49, 76,650.87 and 31,679.85

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Solution

The fourth proportional to 55,545.49, 76,650.87 and 31,679.85 is: 43,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,545.49 : 76,650.87 = 31,679.85 : x
  2. Step 2: Convert to fraction form
    55,545.49/76,650.87 = 31,679.85/x
  3. Step 3: Cross multiply
    55,545.49x = 76,650.87 × 31,679.85
  4. Step 4: Simplify right side
    55,545.49x = 2,428,288,063.97
  5. Step 5: Solve for x
    x = 2,428,288,063.97/55,545.49
  6. Step 6: Final answer
    x = 43,717.11

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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.