Home / 48,373.62-72,572.07-20,278.26

Finding the Fourth Proportional to 48,373.62, 72,572.07 and 20,278.26

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Solution

The fourth proportional to 48,373.62, 72,572.07 and 20,278.26 is: 30,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,373.62 : 72,572.07 = 20,278.26 : x
  2. Step 2: Convert to fraction form
    48,373.62/72,572.07 = 20,278.26/x
  3. Step 3: Cross multiply
    48,373.62x = 72,572.07 × 20,278.26
  4. Step 4: Simplify right side
    48,373.62x = 1,471,635,304.20
  5. Step 5: Solve for x
    x = 1,471,635,304.20/48,373.62
  6. Step 6: Final answer
    x = 30,422.27

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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.