Home / 47,472.62-71,143.25-40,415.90

Finding the Fourth Proportional to 47,472.62, 71,143.25 and 40,415.90

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Solution

The fourth proportional to 47,472.62, 71,143.25 and 40,415.90 is: 60,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,472.62 : 71,143.25 = 40,415.90 : x
  2. Step 2: Convert to fraction form
    47,472.62/71,143.25 = 40,415.90/x
  3. Step 3: Cross multiply
    47,472.62x = 71,143.25 × 40,415.90
  4. Step 4: Simplify right side
    47,472.62x = 2,875,317,919.88
  5. Step 5: Solve for x
    x = 2,875,317,919.88/47,472.62
  6. Step 6: Final answer
    x = 60,567.93

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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.