Home / 38,355.18-57,531.41-13,395.13

Finding the Fourth Proportional to 38,355.18, 57,531.41 and 13,395.13

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Solution

The fourth proportional to 38,355.18, 57,531.41 and 13,395.13 is: 20,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,355.18 : 57,531.41 = 13,395.13 : x
  2. Step 2: Convert to fraction form
    38,355.18/57,531.41 = 13,395.13/x
  3. Step 3: Cross multiply
    38,355.18x = 57,531.41 × 13,395.13
  4. Step 4: Simplify right side
    38,355.18x = 770,640,649.06
  5. Step 5: Solve for x
    x = 770,640,649.06/38,355.18
  6. Step 6: Final answer
    x = 20,092.22

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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.