Home / 36,287.28-54,380.16-19,656.36

Finding the Fourth Proportional to 36,287.28, 54,380.16 and 19,656.36

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Solution

The fourth proportional to 36,287.28, 54,380.16 and 19,656.36 is: 29,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,287.28 : 54,380.16 = 19,656.36 : x
  2. Step 2: Convert to fraction form
    36,287.28/54,380.16 = 19,656.36/x
  3. Step 3: Cross multiply
    36,287.28x = 54,380.16 × 19,656.36
  4. Step 4: Simplify right side
    36,287.28x = 1,068,916,001.82
  5. Step 5: Solve for x
    x = 1,068,916,001.82/36,287.28
  6. Step 6: Final answer
    x = 29,457.04

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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.