Home / 81,675.50-122,521.73-22,511.18

Finding the Fourth Proportional to 81,675.50, 122,521.73 and 22,511.18

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Solution

The fourth proportional to 81,675.50, 122,521.73 and 22,511.18 is: 33,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,675.50 : 122,521.73 = 22,511.18 : x
  2. Step 2: Convert to fraction form
    81,675.50/122,521.73 = 22,511.18/x
  3. Step 3: Cross multiply
    81,675.50x = 122,521.73 × 22,511.18
  4. Step 4: Simplify right side
    81,675.50x = 2,758,108,911.69
  5. Step 5: Solve for x
    x = 2,758,108,911.69/81,675.50
  6. Step 6: Final answer
    x = 33,769.11

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1.5x scale

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.