Home / 51,654.20-71,262.45-29,838.87

Finding the Fourth Proportional to 51,654.20, 71,262.45 and 29,838.87

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Solution

The fourth proportional to 51,654.20, 71,262.45 and 29,838.87 is: 41,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,654.20 : 71,262.45 = 29,838.87 : x
  2. Step 2: Convert to fraction form
    51,654.20/71,262.45 = 29,838.87/x
  3. Step 3: Cross multiply
    51,654.20x = 71,262.45 × 29,838.87
  4. Step 4: Simplify right side
    51,654.20x = 2,126,390,981.43
  5. Step 5: Solve for x
    x = 2,126,390,981.43/51,654.20
  6. Step 6: Final answer
    x = 41,165.89

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1.5x scale

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.