Home / 36,278.38-54,417.84-9,984.57

Finding the Fourth Proportional to 36,278.38, 54,417.84 and 9,984.57

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Solution

The fourth proportional to 36,278.38, 54,417.84 and 9,984.57 is: 14,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.38 : 54,417.84 = 9,984.57 : x
  2. Step 2: Convert to fraction form
    36,278.38/54,417.84 = 9,984.57/x
  3. Step 3: Cross multiply
    36,278.38x = 54,417.84 × 9,984.57
  4. Step 4: Simplify right side
    36,278.38x = 543,338,732.73
  5. Step 5: Solve for x
    x = 543,338,732.73/36,278.38
  6. Step 6: Final answer
    x = 14,976.93

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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.