Home / 57,429.72-86,144.61-21,882.75

Finding the Fourth Proportional to 57,429.72, 86,144.61 and 21,882.75

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Solution

The fourth proportional to 57,429.72, 86,144.61 and 21,882.75 is: 32,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,429.72 : 86,144.61 = 21,882.75 : x
  2. Step 2: Convert to fraction form
    57,429.72/86,144.61 = 21,882.75/x
  3. Step 3: Cross multiply
    57,429.72x = 86,144.61 × 21,882.75
  4. Step 4: Simplify right side
    57,429.72x = 1,885,080,964.48
  5. Step 5: Solve for x
    x = 1,885,080,964.48/57,429.72
  6. Step 6: Final answer
    x = 32,824.14

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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.