Home / 54,305.14-74,944.20-30,439.52

Finding the Fourth Proportional to 54,305.14, 74,944.20 and 30,439.52

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Solution

The fourth proportional to 54,305.14, 74,944.20 and 30,439.52 is: 42,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.14 : 74,944.20 = 30,439.52 : x
  2. Step 2: Convert to fraction form
    54,305.14/74,944.20 = 30,439.52/x
  3. Step 3: Cross multiply
    54,305.14x = 74,944.20 × 30,439.52
  4. Step 4: Simplify right side
    54,305.14x = 2,281,265,474.78
  5. Step 5: Solve for x
    x = 2,281,265,474.78/54,305.14
  6. Step 6: Final answer
    x = 42,008.28

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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.