Home / 37,217.62-55,825.67-10,921.78

Finding the Fourth Proportional to 37,217.62, 55,825.67 and 10,921.78

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Solution

The fourth proportional to 37,217.62, 55,825.67 and 10,921.78 is: 16,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,217.62 : 55,825.67 = 10,921.78 : x
  2. Step 2: Convert to fraction form
    37,217.62/55,825.67 = 10,921.78/x
  3. Step 3: Cross multiply
    37,217.62x = 55,825.67 × 10,921.78
  4. Step 4: Simplify right side
    37,217.62x = 609,715,686.09
  5. Step 5: Solve for x
    x = 609,715,686.09/37,217.62
  6. Step 6: Final answer
    x = 16,382.45

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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.