Home / 39,672.78-54,740.79-25,523.70

Finding the Fourth Proportional to 39,672.78, 54,740.79 and 25,523.70

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Solution

The fourth proportional to 39,672.78, 54,740.79 and 25,523.70 is: 35,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,672.78 : 54,740.79 = 25,523.70 : x
  2. Step 2: Convert to fraction form
    39,672.78/54,740.79 = 25,523.70/x
  3. Step 3: Cross multiply
    39,672.78x = 54,740.79 × 25,523.70
  4. Step 4: Simplify right side
    39,672.78x = 1,397,187,501.72
  5. Step 5: Solve for x
    x = 1,397,187,501.72/39,672.78
  6. Step 6: Final answer
    x = 35,217.79

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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.