Home / 49,669.20-74,534.63-20,087.29

Finding the Fourth Proportional to 49,669.20, 74,534.63 and 20,087.29

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Solution

The fourth proportional to 49,669.20, 74,534.63 and 20,087.29 is: 30,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,669.20 : 74,534.63 = 20,087.29 : x
  2. Step 2: Convert to fraction form
    49,669.20/74,534.63 = 20,087.29/x
  3. Step 3: Cross multiply
    49,669.20x = 74,534.63 × 20,087.29
  4. Step 4: Simplify right side
    49,669.20x = 1,497,198,833.58
  5. Step 5: Solve for x
    x = 1,497,198,833.58/49,669.20
  6. Step 6: Final answer
    x = 30,143.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.