Home / 38,140.52-57,201.66-13,181.45

Finding the Fourth Proportional to 38,140.52, 57,201.66 and 13,181.45

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Solution

The fourth proportional to 38,140.52, 57,201.66 and 13,181.45 is: 19,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,140.52 : 57,201.66 = 13,181.45 : x
  2. Step 2: Convert to fraction form
    38,140.52/57,201.66 = 13,181.45/x
  3. Step 3: Cross multiply
    38,140.52x = 57,201.66 × 13,181.45
  4. Step 4: Simplify right side
    38,140.52x = 754,000,535.20
  5. Step 5: Solve for x
    x = 754,000,535.20/38,140.52
  6. Step 6: Final answer
    x = 19,769.02

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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.