Home / 20,498.62-30,743.07-5,708.02

Finding the Fourth Proportional to 20,498.62, 30,743.07 and 5,708.02

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Solution

The fourth proportional to 20,498.62, 30,743.07 and 5,708.02 is: 8,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498.62 : 30,743.07 = 5,708.02 : x
  2. Step 2: Convert to fraction form
    20,498.62/30,743.07 = 5,708.02/x
  3. Step 3: Cross multiply
    20,498.62x = 30,743.07 × 5,708.02
  4. Step 4: Simplify right side
    20,498.62x = 175,482,058.42
  5. Step 5: Solve for x
    x = 175,482,058.42/20,498.62
  6. Step 6: Final answer
    x = 8,560.68

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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.