Home / 38,105.40-57,160.53-11,827.38

Finding the Fourth Proportional to 38,105.40, 57,160.53 and 11,827.38

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Solution

The fourth proportional to 38,105.40, 57,160.53 and 11,827.38 is: 17,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105.40 : 57,160.53 = 11,827.38 : x
  2. Step 2: Convert to fraction form
    38,105.40/57,160.53 = 11,827.38/x
  3. Step 3: Cross multiply
    38,105.40x = 57,160.53 × 11,827.38
  4. Step 4: Simplify right side
    38,105.40x = 676,059,309.31
  5. Step 5: Solve for x
    x = 676,059,309.31/38,105.40
  6. Step 6: Final answer
    x = 17,741.82

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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.