Home / 65,474.16-98,226.96-21,105.12

Finding the Fourth Proportional to 65,474.16, 98,226.96 and 21,105.12

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Solution

The fourth proportional to 65,474.16, 98,226.96 and 21,105.12 is: 31,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,474.16 : 98,226.96 = 21,105.12 : x
  2. Step 2: Convert to fraction form
    65,474.16/98,226.96 = 21,105.12/x
  3. Step 3: Cross multiply
    65,474.16x = 98,226.96 × 21,105.12
  4. Step 4: Simplify right side
    65,474.16x = 2,073,091,778.04
  5. Step 5: Solve for x
    x = 2,073,091,778.04/65,474.16
  6. Step 6: Final answer
    x = 31,662.75

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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.