Home / 39,519.42-54,511.87-27,578.40

Finding the Fourth Proportional to 39,519.42, 54,511.87 and 27,578.40

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Solution

The fourth proportional to 39,519.42, 54,511.87 and 27,578.40 is: 38,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,519.42 : 54,511.87 = 27,578.40 : x
  2. Step 2: Convert to fraction form
    39,519.42/54,511.87 = 27,578.40/x
  3. Step 3: Cross multiply
    39,519.42x = 54,511.87 × 27,578.40
  4. Step 4: Simplify right side
    39,519.42x = 1,503,350,155.61
  5. Step 5: Solve for x
    x = 1,503,350,155.61/39,519.42
  6. Step 6: Final answer
    x = 38,040.80

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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.