Home / 47,731.28-71,491.64-29,903.90

Finding the Fourth Proportional to 47,731.28, 71,491.64 and 29,903.90

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Solution

The fourth proportional to 47,731.28, 71,491.64 and 29,903.90 is: 44,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.28 : 71,491.64 = 29,903.90 : x
  2. Step 2: Convert to fraction form
    47,731.28/71,491.64 = 29,903.90/x
  3. Step 3: Cross multiply
    47,731.28x = 71,491.64 × 29,903.90
  4. Step 4: Simplify right side
    47,731.28x = 2,137,878,346.42
  5. Step 5: Solve for x
    x = 2,137,878,346.42/47,731.28
  6. Step 6: Final answer
    x = 44,789.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.