Home / 81,530.49-122,296.09-22,366.83

Finding the Fourth Proportional to 81,530.49, 122,296.09 and 22,366.83

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Solution

The fourth proportional to 81,530.49, 122,296.09 and 22,366.83 is: 33,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,530.49 : 122,296.09 = 22,366.83 : x
  2. Step 2: Convert to fraction form
    81,530.49/122,296.09 = 22,366.83/x
  3. Step 3: Cross multiply
    81,530.49x = 122,296.09 × 22,366.83
  4. Step 4: Simplify right side
    81,530.49x = 2,735,375,243.21
  5. Step 5: Solve for x
    x = 2,735,375,243.21/81,530.49
  6. Step 6: Final answer
    x = 33,550.34

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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.