Home / 54,129.38-74,702.03-30,256.14

Finding the Fourth Proportional to 54,129.38, 74,702.03 and 30,256.14

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Solution

The fourth proportional to 54,129.38, 74,702.03 and 30,256.14 is: 41,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,129.38 : 74,702.03 = 30,256.14 : x
  2. Step 2: Convert to fraction form
    54,129.38/74,702.03 = 30,256.14/x
  3. Step 3: Cross multiply
    54,129.38x = 74,702.03 × 30,256.14
  4. Step 4: Simplify right side
    54,129.38x = 2,260,194,926.68
  5. Step 5: Solve for x
    x = 2,260,194,926.68/54,129.38
  6. Step 6: Final answer
    x = 41,755.42

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1.5x scale

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.