Home / 69,856.28-104,788.21-19,932.53

Finding the Fourth Proportional to 69,856.28, 104,788.21 and 19,932.53

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Solution

The fourth proportional to 69,856.28, 104,788.21 and 19,932.53 is: 29,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,856.28 : 104,788.21 = 19,932.53 : x
  2. Step 2: Convert to fraction form
    69,856.28/104,788.21 = 19,932.53/x
  3. Step 3: Cross multiply
    69,856.28x = 104,788.21 × 19,932.53
  4. Step 4: Simplify right side
    69,856.28x = 2,088,694,351.61
  5. Step 5: Solve for x
    x = 2,088,694,351.61/69,856.28
  6. Step 6: Final answer
    x = 29,899.88

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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.