Home / 54,395.25-81,717.95-38,638.59

Finding the Fourth Proportional to 54,395.25, 81,717.95 and 38,638.59

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Solution

The fourth proportional to 54,395.25, 81,717.95 and 38,638.59 is: 58,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,395.25 : 81,717.95 = 38,638.59 : x
  2. Step 2: Convert to fraction form
    54,395.25/81,717.95 = 38,638.59/x
  3. Step 3: Cross multiply
    54,395.25x = 81,717.95 × 38,638.59
  4. Step 4: Simplify right side
    54,395.25x = 3,157,466,462.29
  5. Step 5: Solve for x
    x = 3,157,466,462.29/54,395.25
  6. Step 6: Final answer
    x = 58,046.73

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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.