Home / 54,031.38-74,557.02-30,157.26

Finding the Fourth Proportional to 54,031.38, 74,557.02 and 30,157.26

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Solution

The fourth proportional to 54,031.38, 74,557.02 and 30,157.26 is: 41,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,031.38 : 74,557.02 = 30,157.26 : x
  2. Step 2: Convert to fraction form
    54,031.38/74,557.02 = 30,157.26/x
  3. Step 3: Cross multiply
    54,031.38x = 74,557.02 × 30,157.26
  4. Step 4: Simplify right side
    54,031.38x = 2,248,435,436.97
  5. Step 5: Solve for x
    x = 2,248,435,436.97/54,031.38
  6. Step 6: Final answer
    x = 41,613.51

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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.