Home / 51,966.92-71,710.08-29,311.48

Finding the Fourth Proportional to 51,966.92, 71,710.08 and 29,311.48

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Solution

The fourth proportional to 51,966.92, 71,710.08 and 29,311.48 is: 40,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,966.92 : 71,710.08 = 29,311.48 : x
  2. Step 2: Convert to fraction form
    51,966.92/71,710.08 = 29,311.48/x
  3. Step 3: Cross multiply
    51,966.92x = 71,710.08 × 29,311.48
  4. Step 4: Simplify right side
    51,966.92x = 2,101,928,575.72
  5. Step 5: Solve for x
    x = 2,101,928,575.72/51,966.92
  6. Step 6: Final answer
    x = 40,447.43

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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.