Home / 40,102.76-55,341.11-22,197.38

Finding the Fourth Proportional to 40,102.76, 55,341.11 and 22,197.38

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Solution

The fourth proportional to 40,102.76, 55,341.11 and 22,197.38 is: 30,631.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.76 : 55,341.11 = 22,197.38 : x
  2. Step 2: Convert to fraction form
    40,102.76/55,341.11 = 22,197.38/x
  3. Step 3: Cross multiply
    40,102.76x = 55,341.11 × 22,197.38
  4. Step 4: Simplify right side
    40,102.76x = 1,228,427,260.60
  5. Step 5: Solve for x
    x = 1,228,427,260.60/40,102.76
  6. Step 6: Final answer
    x = 30,631.99

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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.