Home / 39,239.18-54,158.67-25,811.76

Finding the Fourth Proportional to 39,239.18, 54,158.67 and 25,811.76

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Solution

The fourth proportional to 39,239.18, 54,158.67 and 25,811.76 is: 35,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,239.18 : 54,158.67 = 25,811.76 : x
  2. Step 2: Convert to fraction form
    39,239.18/54,158.67 = 25,811.76/x
  3. Step 3: Cross multiply
    39,239.18x = 54,158.67 × 25,811.76
  4. Step 4: Simplify right side
    39,239.18x = 1,397,930,591.96
  5. Step 5: Solve for x
    x = 1,397,930,591.96/39,239.18
  6. Step 6: Final answer
    x = 35,625.89

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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.