Home / 44,147-66,176.76-20,731.52

Finding the Fourth Proportional to 44,147, 66,176.76 and 20,731.52

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Solution

The fourth proportional to 44,147, 66,176.76 and 20,731.52 is: 31,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,147 : 66,176.76 = 20,731.52 : x
  2. Step 2: Convert to fraction form
    44,147/66,176.76 = 20,731.52/x
  3. Step 3: Cross multiply
    44,147x = 66,176.76 × 20,731.52
  4. Step 4: Simplify right side
    44,147x = 1,371,944,823.48
  5. Step 5: Solve for x
    x = 1,371,944,823.48/44,147
  6. Step 6: Final answer
    x = 31,076.74

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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.