Home / 38,132.12-52,625.46-21,141.69

Finding the Fourth Proportional to 38,132.12, 52,625.46 and 21,141.69

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Solution

The fourth proportional to 38,132.12, 52,625.46 and 21,141.69 is: 29,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,132.12 : 52,625.46 = 21,141.69 : x
  2. Step 2: Convert to fraction form
    38,132.12/52,625.46 = 21,141.69/x
  3. Step 3: Cross multiply
    38,132.12x = 52,625.46 × 21,141.69
  4. Step 4: Simplify right side
    38,132.12x = 1,112,591,339.38
  5. Step 5: Solve for x
    x = 1,112,591,339.38/38,132.12
  6. Step 6: Final answer
    x = 29,177.28

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1.5x scale

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.