Home / 36,872.04-55,306.82-20,239.90

Finding the Fourth Proportional to 36,872.04, 55,306.82 and 20,239.90

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Solution

The fourth proportional to 36,872.04, 55,306.82 and 20,239.90 is: 30,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.04 : 55,306.82 = 20,239.90 : x
  2. Step 2: Convert to fraction form
    36,872.04/55,306.82 = 20,239.90/x
  3. Step 3: Cross multiply
    36,872.04x = 55,306.82 × 20,239.90
  4. Step 4: Simplify right side
    36,872.04x = 1,119,404,506.12
  5. Step 5: Solve for x
    x = 1,119,404,506.12/36,872.04
  6. Step 6: Final answer
    x = 30,359.17

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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.