Home / 37,211.16-55,721.52-20,552.64

Finding the Fourth Proportional to 37,211.16, 55,721.52 and 20,552.64

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Solution

The fourth proportional to 37,211.16, 55,721.52 and 20,552.64 is: 30,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,211.16 : 55,721.52 = 20,552.64 : x
  2. Step 2: Convert to fraction form
    37,211.16/55,721.52 = 20,552.64/x
  3. Step 3: Cross multiply
    37,211.16x = 55,721.52 × 20,552.64
  4. Step 4: Simplify right side
    37,211.16x = 1,145,224,340.81
  5. Step 5: Solve for x
    x = 1,145,224,340.81/37,211.16
  6. Step 6: Final answer
    x = 30,776.37

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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.