Home / 38,149.16-57,205.28-13,180.46

Finding the Fourth Proportional to 38,149.16, 57,205.28 and 13,180.46

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Solution

The fourth proportional to 38,149.16, 57,205.28 and 13,180.46 is: 19,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.16 : 57,205.28 = 13,180.46 : x
  2. Step 2: Convert to fraction form
    38,149.16/57,205.28 = 13,180.46/x
  3. Step 3: Cross multiply
    38,149.16x = 57,205.28 × 13,180.46
  4. Step 4: Simplify right side
    38,149.16x = 753,991,552.90
  5. Step 5: Solve for x
    x = 753,991,552.90/38,149.16
  6. Step 6: Final answer
    x = 19,764.31

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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.