Home / 39,245.70-54,156.24-22,250.28

Finding the Fourth Proportional to 39,245.70, 54,156.24 and 22,250.28

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Solution

The fourth proportional to 39,245.70, 54,156.24 and 22,250.28 is: 30,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245.70 : 54,156.24 = 22,250.28 : x
  2. Step 2: Convert to fraction form
    39,245.70/54,156.24 = 22,250.28/x
  3. Step 3: Cross multiply
    39,245.70x = 54,156.24 × 22,250.28
  4. Step 4: Simplify right side
    39,245.70x = 1,204,991,503.75
  5. Step 5: Solve for x
    x = 1,204,991,503.75/39,245.70
  6. Step 6: Final answer
    x = 30,703.78

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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.