Home / 40,394.35-55,742.74-22,488.90

Finding the Fourth Proportional to 40,394.35, 55,742.74 and 22,488.90

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Solution

The fourth proportional to 40,394.35, 55,742.74 and 22,488.90 is: 31,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.35 : 55,742.74 = 22,488.90 : x
  2. Step 2: Convert to fraction form
    40,394.35/55,742.74 = 22,488.90/x
  3. Step 3: Cross multiply
    40,394.35x = 55,742.74 × 22,488.90
  4. Step 4: Simplify right side
    40,394.35x = 1,253,592,905.59
  5. Step 5: Solve for x
    x = 1,253,592,905.59/40,394.35
  6. Step 6: Final answer
    x = 31,033.87

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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.