Home / 47,731.85-65,839.70-29,326.90

Finding the Fourth Proportional to 47,731.85, 65,839.70 and 29,326.90

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Solution

The fourth proportional to 47,731.85, 65,839.70 and 29,326.90 is: 40,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.85 : 65,839.70 = 29,326.90 : x
  2. Step 2: Convert to fraction form
    47,731.85/65,839.70 = 29,326.90/x
  3. Step 3: Cross multiply
    47,731.85x = 65,839.70 × 29,326.90
  4. Step 4: Simplify right side
    47,731.85x = 1,930,873,822.10
  5. Step 5: Solve for x
    x = 1,930,873,822.10/47,731.85
  6. Step 6: Final answer
    x = 40,452.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.