Home / 65,871.16-98,822.46-21,498

Finding the Fourth Proportional to 65,871.16, 98,822.46 and 21,498

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Solution

The fourth proportional to 65,871.16, 98,822.46 and 21,498 is: 32,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,871.16 : 98,822.46 = 21,498 : x
  2. Step 2: Convert to fraction form
    65,871.16/98,822.46 = 21,498/x
  3. Step 3: Cross multiply
    65,871.16x = 98,822.46 × 21,498
  4. Step 4: Simplify right side
    65,871.16x = 2,124,485,245.08
  5. Step 5: Solve for x
    x = 2,124,485,245.08/65,871.16
  6. Step 6: Final answer
    x = 32,252.13

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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.