Home / 40,543.71-55,949.79-22,639.02

Finding the Fourth Proportional to 40,543.71, 55,949.79 and 22,639.02

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Solution

The fourth proportional to 40,543.71, 55,949.79 and 22,639.02 is: 31,241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,543.71 : 55,949.79 = 22,639.02 : x
  2. Step 2: Convert to fraction form
    40,543.71/55,949.79 = 22,639.02/x
  3. Step 3: Cross multiply
    40,543.71x = 55,949.79 × 22,639.02
  4. Step 4: Simplify right side
    40,543.71x = 1,266,648,414.81
  5. Step 5: Solve for x
    x = 1,266,648,414.81/40,543.71
  6. Step 6: Final answer
    x = 31,241.55

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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.