Home / 36,454.40-54,691.12-11,495.28

Finding the Fourth Proportional to 36,454.40, 54,691.12 and 11,495.28

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Solution

The fourth proportional to 36,454.40, 54,691.12 and 11,495.28 is: 17,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,454.40 : 54,691.12 = 11,495.28 : x
  2. Step 2: Convert to fraction form
    36,454.40/54,691.12 = 11,495.28/x
  3. Step 3: Cross multiply
    36,454.40x = 54,691.12 × 11,495.28
  4. Step 4: Simplify right side
    36,454.40x = 628,689,737.91
  5. Step 5: Solve for x
    x = 628,689,737.91/36,454.40
  6. Step 6: Final answer
    x = 17,245.92

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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.