Home / 37,221.12-55,844.64-13,862.88

Finding the Fourth Proportional to 37,221.12, 55,844.64 and 13,862.88

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Solution

The fourth proportional to 37,221.12, 55,844.64 and 13,862.88 is: 20,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.12 : 55,844.64 = 13,862.88 : x
  2. Step 2: Convert to fraction form
    37,221.12/55,844.64 = 13,862.88/x
  3. Step 3: Cross multiply
    37,221.12x = 55,844.64 × 13,862.88
  4. Step 4: Simplify right side
    37,221.12x = 774,167,542.96
  5. Step 5: Solve for x
    x = 774,167,542.96/37,221.12
  6. Step 6: Final answer
    x = 20,799.15

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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.