Home / 44,400.42-66,654.63-20,731.14

Finding the Fourth Proportional to 44,400.42, 66,654.63 and 20,731.14

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Solution

The fourth proportional to 44,400.42, 66,654.63 and 20,731.14 is: 31,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,400.42 : 66,654.63 = 20,731.14 : x
  2. Step 2: Convert to fraction form
    44,400.42/66,654.63 = 20,731.14/x
  3. Step 3: Cross multiply
    44,400.42x = 66,654.63 × 20,731.14
  4. Step 4: Simplify right side
    44,400.42x = 1,381,826,466.18
  5. Step 5: Solve for x
    x = 1,381,826,466.18/44,400.42
  6. Step 6: Final answer
    x = 31,121.92

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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.