Home / 44,325.20-66,458.04-20,930

Finding the Fourth Proportional to 44,325.20, 66,458.04 and 20,930

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Solution

The fourth proportional to 44,325.20, 66,458.04 and 20,930 is: 31,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,325.20 : 66,458.04 = 20,930 : x
  2. Step 2: Convert to fraction form
    44,325.20/66,458.04 = 20,930/x
  3. Step 3: Cross multiply
    44,325.20x = 66,458.04 × 20,930
  4. Step 4: Simplify right side
    44,325.20x = 1,390,966,777.20
  5. Step 5: Solve for x
    x = 1,390,966,777.20/44,325.20
  6. Step 6: Final answer
    x = 31,380.95

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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.