Home / 38,366.31-57,545.82-13,401.75

Finding the Fourth Proportional to 38,366.31, 57,545.82 and 13,401.75

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Solution

The fourth proportional to 38,366.31, 57,545.82 and 13,401.75 is: 20,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,366.31 : 57,545.82 = 13,401.75 : x
  2. Step 2: Convert to fraction form
    38,366.31/57,545.82 = 13,401.75/x
  3. Step 3: Cross multiply
    38,366.31x = 57,545.82 × 13,401.75
  4. Step 4: Simplify right side
    38,366.31x = 771,214,693.19
  5. Step 5: Solve for x
    x = 771,214,693.19/38,366.31
  6. Step 6: Final answer
    x = 20,101.35

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1.5x scale

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.