Home / 54,371.11-75,180.14-47,372.71

Finding the Fourth Proportional to 54,371.11, 75,180.14 and 47,372.71

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Solution

The fourth proportional to 54,371.11, 75,180.14 and 47,372.71 is: 65,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371.11 : 75,180.14 = 47,372.71 : x
  2. Step 2: Convert to fraction form
    54,371.11/75,180.14 = 47,372.71/x
  3. Step 3: Cross multiply
    54,371.11x = 75,180.14 × 47,372.71
  4. Step 4: Simplify right side
    54,371.11x = 3,561,486,733.12
  5. Step 5: Solve for x
    x = 3,561,486,733.12/54,371.11
  6. Step 6: Final answer
    x = 65,503.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.