Home / 81,483.05-122,224.68-22,319.24

Finding the Fourth Proportional to 81,483.05, 122,224.68 and 22,319.24

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Solution

The fourth proportional to 81,483.05, 122,224.68 and 22,319.24 is: 33,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,483.05 : 122,224.68 = 22,319.24 : x
  2. Step 2: Convert to fraction form
    81,483.05/122,224.68 = 22,319.24/x
  3. Step 3: Cross multiply
    81,483.05x = 122,224.68 × 22,319.24
  4. Step 4: Simplify right side
    81,483.05x = 2,727,961,355.72
  5. Step 5: Solve for x
    x = 2,727,961,355.72/81,483.05
  6. Step 6: Final answer
    x = 33,478.88

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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.