Home / 36,229.05-54,340.94-9,931.72

Finding the Fourth Proportional to 36,229.05, 54,340.94 and 9,931.72

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Solution

The fourth proportional to 36,229.05, 54,340.94 and 9,931.72 is: 14,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,229.05 : 54,340.94 = 9,931.72 : x
  2. Step 2: Convert to fraction form
    36,229.05/54,340.94 = 9,931.72/x
  3. Step 3: Cross multiply
    36,229.05x = 54,340.94 × 9,931.72
  4. Step 4: Simplify right side
    36,229.05x = 539,699,000.62
  5. Step 5: Solve for x
    x = 539,699,000.62/36,229.05
  6. Step 6: Final answer
    x = 14,896.86

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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.