Home / 39,738.70-54,816.60-24,808.78

Finding the Fourth Proportional to 39,738.70, 54,816.60 and 24,808.78

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Solution

The fourth proportional to 39,738.70, 54,816.60 and 24,808.78 is: 34,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,738.70 : 54,816.60 = 24,808.78 : x
  2. Step 2: Convert to fraction form
    39,738.70/54,816.60 = 24,808.78/x
  3. Step 3: Cross multiply
    39,738.70x = 54,816.60 × 24,808.78
  4. Step 4: Simplify right side
    39,738.70x = 1,359,932,991.75
  5. Step 5: Solve for x
    x = 1,359,932,991.75/39,738.70
  6. Step 6: Final answer
    x = 34,221.88

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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.