Home / 65,871.06-98,822.31-21,497.88

Finding the Fourth Proportional to 65,871.06, 98,822.31 and 21,497.88

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Solution

The fourth proportional to 65,871.06, 98,822.31 and 21,497.88 is: 32,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,871.06 : 98,822.31 = 21,497.88 : x
  2. Step 2: Convert to fraction form
    65,871.06/98,822.31 = 21,497.88/x
  3. Step 3: Cross multiply
    65,871.06x = 98,822.31 × 21,497.88
  4. Step 4: Simplify right side
    65,871.06x = 2,124,470,161.70
  5. Step 5: Solve for x
    x = 2,124,470,161.70/65,871.06
  6. Step 6: Final answer
    x = 32,251.95

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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.