Home / 40,103.88-55,341.56-22,197.62

Finding the Fourth Proportional to 40,103.88, 55,341.56 and 22,197.62

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Solution

The fourth proportional to 40,103.88, 55,341.56 and 22,197.62 is: 30,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.88 : 55,341.56 = 22,197.62 : x
  2. Step 2: Convert to fraction form
    40,103.88/55,341.56 = 22,197.62/x
  3. Step 3: Cross multiply
    40,103.88x = 55,341.56 × 22,197.62
  4. Step 4: Simplify right side
    40,103.88x = 1,228,450,919.09
  5. Step 5: Solve for x
    x = 1,228,450,919.09/40,103.88
  6. Step 6: Final answer
    x = 30,631.72

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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.