Home / 39,691.75-54,778.95-25,364.77

Finding the Fourth Proportional to 39,691.75, 54,778.95 and 25,364.77

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Solution

The fourth proportional to 39,691.75, 54,778.95 and 25,364.77 is: 35,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,691.75 : 54,778.95 = 25,364.77 : x
  2. Step 2: Convert to fraction form
    39,691.75/54,778.95 = 25,364.77/x
  3. Step 3: Cross multiply
    39,691.75x = 54,778.95 × 25,364.77
  4. Step 4: Simplify right side
    39,691.75x = 1,389,455,330.64
  5. Step 5: Solve for x
    x = 1,389,455,330.64/39,691.75
  6. Step 6: Final answer
    x = 35,006.15

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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.