Home / 49,425.40-74,143.14-18,253.36

Finding the Fourth Proportional to 49,425.40, 74,143.14 and 18,253.36

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Solution

The fourth proportional to 49,425.40, 74,143.14 and 18,253.36 is: 27,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,425.40 : 74,143.14 = 18,253.36 : x
  2. Step 2: Convert to fraction form
    49,425.40/74,143.14 = 18,253.36/x
  3. Step 3: Cross multiply
    49,425.40x = 74,143.14 × 18,253.36
  4. Step 4: Simplify right side
    49,425.40x = 1,353,361,425.95
  5. Step 5: Solve for x
    x = 1,353,361,425.95/49,425.40
  6. Step 6: Final answer
    x = 27,381.90

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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.