Home / 40,585.20-60,768.45-31,764.30

Finding the Fourth Proportional to 40,585.20, 60,768.45 and 31,764.30

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Solution

The fourth proportional to 40,585.20, 60,768.45 and 31,764.30 is: 47,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,585.20 : 60,768.45 = 31,764.30 : x
  2. Step 2: Convert to fraction form
    40,585.20/60,768.45 = 31,764.30/x
  3. Step 3: Cross multiply
    40,585.20x = 60,768.45 × 31,764.30
  4. Step 4: Simplify right side
    40,585.20x = 1,930,267,276.34
  5. Step 5: Solve for x
    x = 1,930,267,276.34/40,585.20
  6. Step 6: Final answer
    x = 47,560.87

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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.