Home / 40,576.20-60,864.30-10,997.70

Finding the Fourth Proportional to 40,576.20, 60,864.30 and 10,997.70

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Solution

The fourth proportional to 40,576.20, 60,864.30 and 10,997.70 is: 16,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,576.20 : 60,864.30 = 10,997.70 : x
  2. Step 2: Convert to fraction form
    40,576.20/60,864.30 = 10,997.70/x
  3. Step 3: Cross multiply
    40,576.20x = 60,864.30 × 10,997.70
  4. Step 4: Simplify right side
    40,576.20x = 669,367,312.11
  5. Step 5: Solve for x
    x = 669,367,312.11/40,576.20
  6. Step 6: Final answer
    x = 16,496.55

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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.