Home / 38,372.31-57,554.82-13,407.75

Finding the Fourth Proportional to 38,372.31, 57,554.82 and 13,407.75

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Solution

The fourth proportional to 38,372.31, 57,554.82 and 13,407.75 is: 20,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.31 : 57,554.82 = 13,407.75 : x
  2. Step 2: Convert to fraction form
    38,372.31/57,554.82 = 13,407.75/x
  3. Step 3: Cross multiply
    38,372.31x = 57,554.82 × 13,407.75
  4. Step 4: Simplify right side
    38,372.31x = 771,680,637.86
  5. Step 5: Solve for x
    x = 771,680,637.86/38,372.31
  6. Step 6: Final answer
    x = 20,110.35

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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.