Home / 37,205.76-55,761.14-17,440.78

Finding the Fourth Proportional to 37,205.76, 55,761.14 and 17,440.78

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Solution

The fourth proportional to 37,205.76, 55,761.14 and 17,440.78 is: 26,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,205.76 : 55,761.14 = 17,440.78 : x
  2. Step 2: Convert to fraction form
    37,205.76/55,761.14 = 17,440.78/x
  3. Step 3: Cross multiply
    37,205.76x = 55,761.14 × 17,440.78
  4. Step 4: Simplify right side
    37,205.76x = 972,517,775.29
  5. Step 5: Solve for x
    x = 972,517,775.29/37,205.76
  6. Step 6: Final answer
    x = 26,138.90

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1.5x scale

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.