Home / 39,403.53-54,385.97-25,977.15

Finding the Fourth Proportional to 39,403.53, 54,385.97 and 25,977.15

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Solution

The fourth proportional to 39,403.53, 54,385.97 and 25,977.15 is: 35,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.53 : 54,385.97 = 25,977.15 : x
  2. Step 2: Convert to fraction form
    39,403.53/54,385.97 = 25,977.15/x
  3. Step 3: Cross multiply
    39,403.53x = 54,385.97 × 25,977.15
  4. Step 4: Simplify right side
    39,403.53x = 1,412,792,370.70
  5. Step 5: Solve for x
    x = 1,412,792,370.70/39,403.53
  6. Step 6: Final answer
    x = 35,854.46

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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.