Home / 65,863.28-98,794.50-21,490.07

Finding the Fourth Proportional to 65,863.28, 98,794.50 and 21,490.07

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Solution

The fourth proportional to 65,863.28, 98,794.50 and 21,490.07 is: 32,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,863.28 : 98,794.50 = 21,490.07 : x
  2. Step 2: Convert to fraction form
    65,863.28/98,794.50 = 21,490.07/x
  3. Step 3: Cross multiply
    65,863.28x = 98,794.50 × 21,490.07
  4. Step 4: Simplify right side
    65,863.28x = 2,123,100,226.64
  5. Step 5: Solve for x
    x = 2,123,100,226.64/65,863.28
  6. Step 6: Final answer
    x = 32,234.96

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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.