Home / 65,609.12-98,425.02-21,247.04

Finding the Fourth Proportional to 65,609.12, 98,425.02 and 21,247.04

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Solution

The fourth proportional to 65,609.12, 98,425.02 and 21,247.04 is: 31,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,609.12 : 98,425.02 = 21,247.04 : x
  2. Step 2: Convert to fraction form
    65,609.12/98,425.02 = 21,247.04/x
  3. Step 3: Cross multiply
    65,609.12x = 98,425.02 × 21,247.04
  4. Step 4: Simplify right side
    65,609.12x = 2,091,240,336.94
  5. Step 5: Solve for x
    x = 2,091,240,336.94/65,609.12
  6. Step 6: Final answer
    x = 31,874.23

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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.