Home / 81,422.82-122,124.51-22,263.66

Finding the Fourth Proportional to 81,422.82, 122,124.51 and 22,263.66

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Solution

The fourth proportional to 81,422.82, 122,124.51 and 22,263.66 is: 33,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,422.82 : 122,124.51 = 22,263.66 : x
  2. Step 2: Convert to fraction form
    81,422.82/122,124.51 = 22,263.66/x
  3. Step 3: Cross multiply
    81,422.82x = 122,124.51 × 22,263.66
  4. Step 4: Simplify right side
    81,422.82x = 2,718,938,568.31
  5. Step 5: Solve for x
    x = 2,718,938,568.31/81,422.82
  6. Step 6: Final answer
    x = 33,392.83

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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.