Home / 23,742.20-35,613.30-19,983.80

Finding the Fourth Proportional to 23,742.20, 35,613.30 and 19,983.80

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Solution

The fourth proportional to 23,742.20, 35,613.30 and 19,983.80 is: 29,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.20 : 35,613.30 = 19,983.80 : x
  2. Step 2: Convert to fraction form
    23,742.20/35,613.30 = 19,983.80/x
  3. Step 3: Cross multiply
    23,742.20x = 35,613.30 × 19,983.80
  4. Step 4: Simplify right side
    23,742.20x = 711,689,064.54
  5. Step 5: Solve for x
    x = 711,689,064.54/23,742.20
  6. Step 6: Final answer
    x = 29,975.70

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Double scale
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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.