Home / 36,954.28-55,439.34-11,995.72

Finding the Fourth Proportional to 36,954.28, 55,439.34 and 11,995.72

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Solution

The fourth proportional to 36,954.28, 55,439.34 and 11,995.72 is: 17,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,954.28 : 55,439.34 = 11,995.72 : x
  2. Step 2: Convert to fraction form
    36,954.28/55,439.34 = 11,995.72/x
  3. Step 3: Cross multiply
    36,954.28x = 55,439.34 × 11,995.72
  4. Step 4: Simplify right side
    36,954.28x = 665,034,799.62
  5. Step 5: Solve for x
    x = 665,034,799.62/36,954.28
  6. Step 6: Final answer
    x = 17,996.15

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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.