Home / 36,316.42-54,472.74-21,331.78

Finding the Fourth Proportional to 36,316.42, 54,472.74 and 21,331.78

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Solution

The fourth proportional to 36,316.42, 54,472.74 and 21,331.78 is: 31,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316.42 : 54,472.74 = 21,331.78 : x
  2. Step 2: Convert to fraction form
    36,316.42/54,472.74 = 21,331.78/x
  3. Step 3: Cross multiply
    36,316.42x = 54,472.74 × 21,331.78
  4. Step 4: Simplify right side
    36,316.42x = 1,162,000,505.68
  5. Step 5: Solve for x
    x = 1,162,000,505.68/36,316.42
  6. Step 6: Final answer
    x = 31,996.56

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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.