Home / 47,725.20-71,617.05-19,658.70

Finding the Fourth Proportional to 47,725.20, 71,617.05 and 19,658.70

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Solution

The fourth proportional to 47,725.20, 71,617.05 and 19,658.70 is: 29,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,725.20 : 71,617.05 = 19,658.70 : x
  2. Step 2: Convert to fraction form
    47,725.20/71,617.05 = 19,658.70/x
  3. Step 3: Cross multiply
    47,725.20x = 71,617.05 × 19,658.70
  4. Step 4: Simplify right side
    47,725.20x = 1,407,898,100.84
  5. Step 5: Solve for x
    x = 1,407,898,100.84/47,725.20
  6. Step 6: Final answer
    x = 29,500.10

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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.