Home / 39,519.18-54,511.52-27,578.16

Finding the Fourth Proportional to 39,519.18, 54,511.52 and 27,578.16

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Solution

The fourth proportional to 39,519.18, 54,511.52 and 27,578.16 is: 38,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,519.18 : 54,511.52 = 27,578.16 : x
  2. Step 2: Convert to fraction form
    39,519.18/54,511.52 = 27,578.16/x
  3. Step 3: Cross multiply
    39,519.18x = 54,511.52 × 27,578.16
  4. Step 4: Simplify right side
    39,519.18x = 1,503,327,147.85
  5. Step 5: Solve for x
    x = 1,503,327,147.85/39,519.18
  6. Step 6: Final answer
    x = 38,040.45

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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.