Home / 39,379.69-54,302.70-25,933.78

Finding the Fourth Proportional to 39,379.69, 54,302.70 and 25,933.78

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Solution

The fourth proportional to 39,379.69, 54,302.70 and 25,933.78 is: 35,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.69 : 54,302.70 = 25,933.78 : x
  2. Step 2: Convert to fraction form
    39,379.69/54,302.70 = 25,933.78/x
  3. Step 3: Cross multiply
    39,379.69x = 54,302.70 × 25,933.78
  4. Step 4: Simplify right side
    39,379.69x = 1,408,274,275.21
  5. Step 5: Solve for x
    x = 1,408,274,275.21/39,379.69
  6. Step 6: Final answer
    x = 35,761.44

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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.