Home / 67,966.48-101,949.72-21,223.36

Finding the Fourth Proportional to 67,966.48, 101,949.72 and 21,223.36

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Solution

The fourth proportional to 67,966.48, 101,949.72 and 21,223.36 is: 31,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,966.48 : 101,949.72 = 21,223.36 : x
  2. Step 2: Convert to fraction form
    67,966.48/101,949.72 = 21,223.36/x
  3. Step 3: Cross multiply
    67,966.48x = 101,949.72 × 21,223.36
  4. Step 4: Simplify right side
    67,966.48x = 2,163,715,609.46
  5. Step 5: Solve for x
    x = 2,163,715,609.46/67,966.48
  6. Step 6: Final answer
    x = 31,835.04

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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.