Home / 51,708.78-71,385.18-34,801.92

Finding the Fourth Proportional to 51,708.78, 71,385.18 and 34,801.92

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Solution

The fourth proportional to 51,708.78, 71,385.18 and 34,801.92 is: 48,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,708.78 : 71,385.18 = 34,801.92 : x
  2. Step 2: Convert to fraction form
    51,708.78/71,385.18 = 34,801.92/x
  3. Step 3: Cross multiply
    51,708.78x = 71,385.18 × 34,801.92
  4. Step 4: Simplify right side
    51,708.78x = 2,484,341,323.55
  5. Step 5: Solve for x
    x = 2,484,341,323.55/51,708.78
  6. Step 6: Final answer
    x = 48,044.86

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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.