Home / 48,139.29-66,432.42-26,918.55

Finding the Fourth Proportional to 48,139.29, 66,432.42 and 26,918.55

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Solution

The fourth proportional to 48,139.29, 66,432.42 and 26,918.55 is: 37,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,139.29 : 66,432.42 = 26,918.55 : x
  2. Step 2: Convert to fraction form
    48,139.29/66,432.42 = 26,918.55/x
  3. Step 3: Cross multiply
    48,139.29x = 66,432.42 × 26,918.55
  4. Step 4: Simplify right side
    48,139.29x = 1,788,264,419.39
  5. Step 5: Solve for x
    x = 1,788,264,419.39/48,139.29
  6. Step 6: Final answer
    x = 37,147.71

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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.