Home / 70,922.22-106,383.24-18,331.44

Finding the Fourth Proportional to 70,922.22, 106,383.24 and 18,331.44

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Solution

The fourth proportional to 70,922.22, 106,383.24 and 18,331.44 is: 27,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,922.22 : 106,383.24 = 18,331.44 : x
  2. Step 2: Convert to fraction form
    70,922.22/106,383.24 = 18,331.44/x
  3. Step 3: Cross multiply
    70,922.22x = 106,383.24 × 18,331.44
  4. Step 4: Simplify right side
    70,922.22x = 1,950,157,981.07
  5. Step 5: Solve for x
    x = 1,950,157,981.07/70,922.22
  6. Step 6: Final answer
    x = 27,497.14

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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.