Home / 38,619.38-53,318.82-29,649.02

Finding the Fourth Proportional to 38,619.38, 53,318.82 and 29,649.02

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Solution

The fourth proportional to 38,619.38, 53,318.82 and 29,649.02 is: 40,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,619.38 : 53,318.82 = 29,649.02 : x
  2. Step 2: Convert to fraction form
    38,619.38/53,318.82 = 29,649.02/x
  3. Step 3: Cross multiply
    38,619.38x = 53,318.82 × 29,649.02
  4. Step 4: Simplify right side
    38,619.38x = 1,580,850,760.56
  5. Step 5: Solve for x
    x = 1,580,850,760.56/38,619.38
  6. Step 6: Final answer
    x = 40,934.13

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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.