Home / 40,475.30-55,849.20-22,569.80

Finding the Fourth Proportional to 40,475.30, 55,849.20 and 22,569.80

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Solution

The fourth proportional to 40,475.30, 55,849.20 and 22,569.80 is: 31,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,475.30 : 55,849.20 = 22,569.80 : x
  2. Step 2: Convert to fraction form
    40,475.30/55,849.20 = 22,569.80/x
  3. Step 3: Cross multiply
    40,475.30x = 55,849.20 × 22,569.80
  4. Step 4: Simplify right side
    40,475.30x = 1,260,505,274.16
  5. Step 5: Solve for x
    x = 1,260,505,274.16/40,475.30
  6. Step 6: Final answer
    x = 31,142.58

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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.