Home / 81,748.22-122,621.11-22,582.58

Finding the Fourth Proportional to 81,748.22, 122,621.11 and 22,582.58

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Solution

The fourth proportional to 81,748.22, 122,621.11 and 22,582.58 is: 33,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,748.22 : 122,621.11 = 22,582.58 : x
  2. Step 2: Convert to fraction form
    81,748.22/122,621.11 = 22,582.58/x
  3. Step 3: Cross multiply
    81,748.22x = 122,621.11 × 22,582.58
  4. Step 4: Simplify right side
    81,748.22x = 2,769,100,356.70
  5. Step 5: Solve for x
    x = 2,769,100,356.70/81,748.22
  6. Step 6: Final answer
    x = 33,873.53

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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.