Home / 39,869.40-54,958.86-25,704.12

Finding the Fourth Proportional to 39,869.40, 54,958.86 and 25,704.12

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Solution

The fourth proportional to 39,869.40, 54,958.86 and 25,704.12 is: 35,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,869.40 : 54,958.86 = 25,704.12 : x
  2. Step 2: Convert to fraction form
    39,869.40/54,958.86 = 25,704.12/x
  3. Step 3: Cross multiply
    39,869.40x = 54,958.86 × 25,704.12
  4. Step 4: Simplify right side
    39,869.40x = 1,412,669,132.50
  5. Step 5: Solve for x
    x = 1,412,669,132.50/39,869.40
  6. Step 6: Final answer
    x = 35,432.42

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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.