Home / 49,872.42-74,767.23-20,304.18

Finding the Fourth Proportional to 49,872.42, 74,767.23 and 20,304.18

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Solution

The fourth proportional to 49,872.42, 74,767.23 and 20,304.18 is: 30,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,872.42 : 74,767.23 = 20,304.18 : x
  2. Step 2: Convert to fraction form
    49,872.42/74,767.23 = 20,304.18/x
  3. Step 3: Cross multiply
    49,872.42x = 74,767.23 × 20,304.18
  4. Step 4: Simplify right side
    49,872.42x = 1,518,087,296.02
  5. Step 5: Solve for x
    x = 1,518,087,296.02/49,872.42
  6. Step 6: Final answer
    x = 30,439.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.