Home / 36,211.55-54,315.30-11,251.40

Finding the Fourth Proportional to 36,211.55, 54,315.30 and 11,251.40

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Solution

The fourth proportional to 36,211.55, 54,315.30 and 11,251.40 is: 16,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,211.55 : 54,315.30 = 11,251.40 : x
  2. Step 2: Convert to fraction form
    36,211.55/54,315.30 = 11,251.40/x
  3. Step 3: Cross multiply
    36,211.55x = 54,315.30 × 11,251.40
  4. Step 4: Simplify right side
    36,211.55x = 611,123,166.42
  5. Step 5: Solve for x
    x = 611,123,166.42/36,211.55
  6. Step 6: Final answer
    x = 16,876.47

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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.