Home / 65,870.91-98,822.09-21,497.75

Finding the Fourth Proportional to 65,870.91, 98,822.09 and 21,497.75

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Solution

The fourth proportional to 65,870.91, 98,822.09 and 21,497.75 is: 32,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,870.91 : 98,822.09 = 21,497.75 : x
  2. Step 2: Convert to fraction form
    65,870.91/98,822.09 = 21,497.75/x
  3. Step 3: Cross multiply
    65,870.91x = 98,822.09 × 21,497.75
  4. Step 4: Simplify right side
    65,870.91x = 2,124,451,983.70
  5. Step 5: Solve for x
    x = 2,124,451,983.70/65,870.91
  6. Step 6: Final answer
    x = 32,251.75

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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.