Home / 81,646.34-122,450.86-22,487.18

Finding the Fourth Proportional to 81,646.34, 122,450.86 and 22,487.18

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Solution

The fourth proportional to 81,646.34, 122,450.86 and 22,487.18 is: 33,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,646.34 : 122,450.86 = 22,487.18 : x
  2. Step 2: Convert to fraction form
    81,646.34/122,450.86 = 22,487.18/x
  3. Step 3: Cross multiply
    81,646.34x = 122,450.86 × 22,487.18
  4. Step 4: Simplify right side
    81,646.34x = 2,753,574,529.97
  5. Step 5: Solve for x
    x = 2,753,574,529.97/81,646.34
  6. Step 6: Final answer
    x = 33,725.63

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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.