Home / 39,764.20-54,879.78-25,658.08

Finding the Fourth Proportional to 39,764.20, 54,879.78 and 25,658.08

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Solution

The fourth proportional to 39,764.20, 54,879.78 and 25,658.08 is: 35,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.20 : 54,879.78 = 25,658.08 : x
  2. Step 2: Convert to fraction form
    39,764.20/54,879.78 = 25,658.08/x
  3. Step 3: Cross multiply
    39,764.20x = 54,879.78 × 25,658.08
  4. Step 4: Simplify right side
    39,764.20x = 1,408,109,785.62
  5. Step 5: Solve for x
    x = 1,408,109,785.62/39,764.20
  6. Step 6: Final answer
    x = 35,411.50

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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.