Home / 20,861.42-31,292.13-5,066.46

Finding the Fourth Proportional to 20,861.42, 31,292.13 and 5,066.46

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Solution

The fourth proportional to 20,861.42, 31,292.13 and 5,066.46 is: 7,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861.42 : 31,292.13 = 5,066.46 : x
  2. Step 2: Convert to fraction form
    20,861.42/31,292.13 = 5,066.46/x
  3. Step 3: Cross multiply
    20,861.42x = 31,292.13 × 5,066.46
  4. Step 4: Simplify right side
    20,861.42x = 158,540,324.96
  5. Step 5: Solve for x
    x = 158,540,324.96/20,861.42
  6. Step 6: Final answer
    x = 7,599.69

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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.