Home / 38,480.10-57,740.12-29,117.31

Finding the Fourth Proportional to 38,480.10, 57,740.12 and 29,117.31

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Solution

The fourth proportional to 38,480.10, 57,740.12 and 29,117.31 is: 43,691.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.10 : 57,740.12 = 29,117.31 : x
  2. Step 2: Convert to fraction form
    38,480.10/57,740.12 = 29,117.31/x
  3. Step 3: Cross multiply
    38,480.10x = 57,740.12 × 29,117.31
  4. Step 4: Simplify right side
    38,480.10x = 1,681,236,827.89
  5. Step 5: Solve for x
    x = 1,681,236,827.89/38,480.10
  6. Step 6: Final answer
    x = 43,691.07

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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.