Home / 54,020.29-74,539.09-30,146.92

Finding the Fourth Proportional to 54,020.29, 74,539.09 and 30,146.92

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Solution

The fourth proportional to 54,020.29, 74,539.09 and 30,146.92 is: 41,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,020.29 : 74,539.09 = 30,146.92 : x
  2. Step 2: Convert to fraction form
    54,020.29/74,539.09 = 30,146.92/x
  3. Step 3: Cross multiply
    54,020.29x = 74,539.09 × 30,146.92
  4. Step 4: Simplify right side
    54,020.29x = 2,247,123,983.10
  5. Step 5: Solve for x
    x = 2,247,123,983.10/54,020.29
  6. Step 6: Final answer
    x = 41,597.78

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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.