Home / 20,446.38-30,670.17-5,655.42

Finding the Fourth Proportional to 20,446.38, 30,670.17 and 5,655.42

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Solution

The fourth proportional to 20,446.38, 30,670.17 and 5,655.42 is: 8,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.38 : 30,670.17 = 5,655.42 : x
  2. Step 2: Convert to fraction form
    20,446.38/30,670.17 = 5,655.42/x
  3. Step 3: Cross multiply
    20,446.38x = 30,670.17 × 5,655.42
  4. Step 4: Simplify right side
    20,446.38x = 173,452,692.82
  5. Step 5: Solve for x
    x = 173,452,692.82/20,446.38
  6. Step 6: Final answer
    x = 8,483.30

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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.