Home / 40,394.11-55,742.55-22,488.52

Finding the Fourth Proportional to 40,394.11, 55,742.55 and 22,488.52

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Solution

The fourth proportional to 40,394.11, 55,742.55 and 22,488.52 is: 31,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.11 : 55,742.55 = 22,488.52 : x
  2. Step 2: Convert to fraction form
    40,394.11/55,742.55 = 22,488.52/x
  3. Step 3: Cross multiply
    40,394.11x = 55,742.55 × 22,488.52
  4. Step 4: Simplify right side
    40,394.11x = 1,253,567,450.53
  5. Step 5: Solve for x
    x = 1,253,567,450.53/40,394.11
  6. Step 6: Final answer
    x = 31,033.42

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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.