Home / 47,535.38-71,302.88-11,996.78

Finding the Fourth Proportional to 47,535.38, 71,302.88 and 11,996.78

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Solution

The fourth proportional to 47,535.38, 71,302.88 and 11,996.78 is: 17,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,535.38 : 71,302.88 = 11,996.78 : x
  2. Step 2: Convert to fraction form
    47,535.38/71,302.88 = 11,996.78/x
  3. Step 3: Cross multiply
    47,535.38x = 71,302.88 × 11,996.78
  4. Step 4: Simplify right side
    47,535.38x = 855,404,964.73
  5. Step 5: Solve for x
    x = 855,404,964.73/47,535.38
  6. Step 6: Final answer
    x = 17,995.12

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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.