Home / 38,459.48-57,686.49-10,381.13

Finding the Fourth Proportional to 38,459.48, 57,686.49 and 10,381.13

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Solution

The fourth proportional to 38,459.48, 57,686.49 and 10,381.13 is: 15,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459.48 : 57,686.49 = 10,381.13 : x
  2. Step 2: Convert to fraction form
    38,459.48/57,686.49 = 10,381.13/x
  3. Step 3: Cross multiply
    38,459.48x = 57,686.49 × 10,381.13
  4. Step 4: Simplify right side
    38,459.48x = 598,850,951.93
  5. Step 5: Solve for x
    x = 598,850,951.93/38,459.48
  6. Step 6: Final answer
    x = 15,570.96

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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.