Home / 38,965.41-58,489.45-31,658.11

Finding the Fourth Proportional to 38,965.41, 58,489.45 and 31,658.11

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Solution

The fourth proportional to 38,965.41, 58,489.45 and 31,658.11 is: 47,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,965.41 : 58,489.45 = 31,658.11 : x
  2. Step 2: Convert to fraction form
    38,965.41/58,489.45 = 31,658.11/x
  3. Step 3: Cross multiply
    38,965.41x = 58,489.45 × 31,658.11
  4. Step 4: Simplify right side
    38,965.41x = 1,851,665,216.57
  5. Step 5: Solve for x
    x = 1,851,665,216.57/38,965.41
  6. Step 6: Final answer
    x = 47,520.74

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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.