Home / 65,680.43-98,534.49-21,303.73

Finding the Fourth Proportional to 65,680.43, 98,534.49 and 21,303.73

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Solution

The fourth proportional to 65,680.43, 98,534.49 and 21,303.73 is: 31,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,680.43 : 98,534.49 = 21,303.73 : x
  2. Step 2: Convert to fraction form
    65,680.43/98,534.49 = 21,303.73/x
  3. Step 3: Cross multiply
    65,680.43x = 98,534.49 × 21,303.73
  4. Step 4: Simplify right side
    65,680.43x = 2,099,152,170.65
  5. Step 5: Solve for x
    x = 2,099,152,170.65/65,680.43
  6. Step 6: Final answer
    x = 31,960.09

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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.