Home / 47,780.70-71,584.65-42,251.10

Finding the Fourth Proportional to 47,780.70, 71,584.65 and 42,251.10

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Solution

The fourth proportional to 47,780.70, 71,584.65 and 42,251.10 is: 63,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780.70 : 71,584.65 = 42,251.10 : x
  2. Step 2: Convert to fraction form
    47,780.70/71,584.65 = 42,251.10/x
  3. Step 3: Cross multiply
    47,780.70x = 71,584.65 × 42,251.10
  4. Step 4: Simplify right side
    47,780.70x = 3,024,530,205.62
  5. Step 5: Solve for x
    x = 3,024,530,205.62/47,780.70
  6. Step 6: Final answer
    x = 63,300.25

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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.