Home / 35,229.06-48,616.50-20,123.72

Finding the Fourth Proportional to 35,229.06, 48,616.50 and 20,123.72

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Solution

The fourth proportional to 35,229.06, 48,616.50 and 20,123.72 is: 27,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,229.06 : 48,616.50 = 20,123.72 : x
  2. Step 2: Convert to fraction form
    35,229.06/48,616.50 = 20,123.72/x
  3. Step 3: Cross multiply
    35,229.06x = 48,616.50 × 20,123.72
  4. Step 4: Simplify right side
    35,229.06x = 978,344,590.30
  5. Step 5: Solve for x
    x = 978,344,590.30/35,229.06
  6. Step 6: Final answer
    x = 27,770.95

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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.