Home / 55,632.72-76,747.42-49,265.80

Finding the Fourth Proportional to 55,632.72, 76,747.42 and 49,265.80

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Solution

The fourth proportional to 55,632.72, 76,747.42 and 49,265.80 is: 67,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632.72 : 76,747.42 = 49,265.80 : x
  2. Step 2: Convert to fraction form
    55,632.72/76,747.42 = 49,265.80/x
  3. Step 3: Cross multiply
    55,632.72x = 76,747.42 × 49,265.80
  4. Step 4: Simplify right side
    55,632.72x = 3,781,023,044.24
  5. Step 5: Solve for x
    x = 3,781,023,044.24/55,632.72
  6. Step 6: Final answer
    x = 67,964.02

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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.