Home / 40,194.40-55,466.16-22,288

Finding the Fourth Proportional to 40,194.40, 55,466.16 and 22,288

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Solution

The fourth proportional to 40,194.40, 55,466.16 and 22,288 is: 30,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,194.40 : 55,466.16 = 22,288 : x
  2. Step 2: Convert to fraction form
    40,194.40/55,466.16 = 22,288/x
  3. Step 3: Cross multiply
    40,194.40x = 55,466.16 × 22,288
  4. Step 4: Simplify right side
    40,194.40x = 1,236,229,774.08
  5. Step 5: Solve for x
    x = 1,236,229,774.08/40,194.40
  6. Step 6: Final answer
    x = 30,756.27

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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.