Home / 40,488.58-60,647.82-25,689.88

Finding the Fourth Proportional to 40,488.58, 60,647.82 and 25,689.88

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Solution

The fourth proportional to 40,488.58, 60,647.82 and 25,689.88 is: 38,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.58 : 60,647.82 = 25,689.88 : x
  2. Step 2: Convert to fraction form
    40,488.58/60,647.82 = 25,689.88/x
  3. Step 3: Cross multiply
    40,488.58x = 60,647.82 × 25,689.88
  4. Step 4: Simplify right side
    40,488.58x = 1,558,035,218.06
  5. Step 5: Solve for x
    x = 1,558,035,218.06/40,488.58
  6. Step 6: Final answer
    x = 38,480.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.