Home / 40,343.28-55,672.94-22,437.90

Finding the Fourth Proportional to 40,343.28, 55,672.94 and 22,437.90

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Solution

The fourth proportional to 40,343.28, 55,672.94 and 22,437.90 is: 30,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,343.28 : 55,672.94 = 22,437.90 : x
  2. Step 2: Convert to fraction form
    40,343.28/55,672.94 = 22,437.90/x
  3. Step 3: Cross multiply
    40,343.28x = 55,672.94 × 22,437.90
  4. Step 4: Simplify right side
    40,343.28x = 1,249,183,748.24
  5. Step 5: Solve for x
    x = 1,249,183,748.24/40,343.28
  6. Step 6: Final answer
    x = 30,963.86

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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.