Home / 39,433.78-54,418.74-25,286.68

Finding the Fourth Proportional to 39,433.78, 54,418.74 and 25,286.68

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Solution

The fourth proportional to 39,433.78, 54,418.74 and 25,286.68 is: 34,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,433.78 : 54,418.74 = 25,286.68 : x
  2. Step 2: Convert to fraction form
    39,433.78/54,418.74 = 25,286.68/x
  3. Step 3: Cross multiply
    39,433.78x = 54,418.74 × 25,286.68
  4. Step 4: Simplify right side
    39,433.78x = 1,376,069,264.38
  5. Step 5: Solve for x
    x = 1,376,069,264.38/39,433.78
  6. Step 6: Final answer
    x = 34,895.70

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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.