Home / 36,891.28-55,353.16-19,356.88

Finding the Fourth Proportional to 36,891.28, 55,353.16 and 19,356.88

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Solution

The fourth proportional to 36,891.28, 55,353.16 and 19,356.88 is: 29,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.28 : 55,353.16 = 19,356.88 : x
  2. Step 2: Convert to fraction form
    36,891.28/55,353.16 = 19,356.88/x
  3. Step 3: Cross multiply
    36,891.28x = 55,353.16 × 19,356.88
  4. Step 4: Simplify right side
    36,891.28x = 1,071,464,475.74
  5. Step 5: Solve for x
    x = 1,071,464,475.74/36,891.28
  6. Step 6: Final answer
    x = 29,043.84

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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.