Home / 54,304.85-74,944.89-30,433.74

Finding the Fourth Proportional to 54,304.85, 74,944.89 and 30,433.74

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Solution

The fourth proportional to 54,304.85, 74,944.89 and 30,433.74 is: 42,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,304.85 : 74,944.89 = 30,433.74 : x
  2. Step 2: Convert to fraction form
    54,304.85/74,944.89 = 30,433.74/x
  3. Step 3: Cross multiply
    54,304.85x = 74,944.89 × 30,433.74
  4. Step 4: Simplify right side
    54,304.85x = 2,280,853,296.59
  5. Step 5: Solve for x
    x = 2,280,853,296.59/54,304.85
  6. Step 6: Final answer
    x = 42,000.92

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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.