Home / 45,998.10-68,997.15-30,251.70

Finding the Fourth Proportional to 45,998.10, 68,997.15 and 30,251.70

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Solution

The fourth proportional to 45,998.10, 68,997.15 and 30,251.70 is: 45,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,998.10 : 68,997.15 = 30,251.70 : x
  2. Step 2: Convert to fraction form
    45,998.10/68,997.15 = 30,251.70/x
  3. Step 3: Cross multiply
    45,998.10x = 68,997.15 × 30,251.70
  4. Step 4: Simplify right side
    45,998.10x = 2,087,281,082.66
  5. Step 5: Solve for x
    x = 2,087,281,082.66/45,998.10
  6. Step 6: Final answer
    x = 45,377.55

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Half scale
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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.