Home / 36,223.20-49,990.08-20,306.88

Finding the Fourth Proportional to 36,223.20, 49,990.08 and 20,306.88

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Solution

The fourth proportional to 36,223.20, 49,990.08 and 20,306.88 is: 28,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,223.20 : 49,990.08 = 20,306.88 : x
  2. Step 2: Convert to fraction form
    36,223.20/49,990.08 = 20,306.88/x
  3. Step 3: Cross multiply
    36,223.20x = 49,990.08 × 20,306.88
  4. Step 4: Simplify right side
    36,223.20x = 1,015,142,555.75
  5. Step 5: Solve for x
    x = 1,015,142,555.75/36,223.20
  6. Step 6: Final answer
    x = 28,024.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.