Home / 68,288.27-102,432.45-21,544.79

Finding the Fourth Proportional to 68,288.27, 102,432.45 and 21,544.79

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Solution

The fourth proportional to 68,288.27, 102,432.45 and 21,544.79 is: 32,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,288.27 : 102,432.45 = 21,544.79 : x
  2. Step 2: Convert to fraction form
    68,288.27/102,432.45 = 21,544.79/x
  3. Step 3: Cross multiply
    68,288.27x = 102,432.45 × 21,544.79
  4. Step 4: Simplify right side
    68,288.27x = 2,206,885,624.44
  5. Step 5: Solve for x
    x = 2,206,885,624.44/68,288.27
  6. Step 6: Final answer
    x = 32,317.20

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1.5x scale

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.