Home / 38,261.30-57,359.08-13,298.10

Finding the Fourth Proportional to 38,261.30, 57,359.08 and 13,298.10

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Solution

The fourth proportional to 38,261.30, 57,359.08 and 13,298.10 is: 19,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,261.30 : 57,359.08 = 13,298.10 : x
  2. Step 2: Convert to fraction form
    38,261.30/57,359.08 = 13,298.10/x
  3. Step 3: Cross multiply
    38,261.30x = 57,359.08 × 13,298.10
  4. Step 4: Simplify right side
    38,261.30x = 762,766,781.75
  5. Step 5: Solve for x
    x = 762,766,781.75/38,261.30
  6. Step 6: Final answer
    x = 19,935.73

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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.