Home / 20,589.47-30,885.45-5,799.65

Finding the Fourth Proportional to 20,589.47, 30,885.45 and 5,799.65

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Solution

The fourth proportional to 20,589.47, 30,885.45 and 5,799.65 is: 8,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589.47 : 30,885.45 = 5,799.65 : x
  2. Step 2: Convert to fraction form
    20,589.47/30,885.45 = 5,799.65/x
  3. Step 3: Cross multiply
    20,589.47x = 30,885.45 × 5,799.65
  4. Step 4: Simplify right side
    20,589.47x = 179,124,830.27
  5. Step 5: Solve for x
    x = 179,124,830.27/20,589.47
  6. Step 6: Final answer
    x = 8,699.83

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Similar ratio
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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.