Home / 81,589.23-122,385.20-22,424.54

Finding the Fourth Proportional to 81,589.23, 122,385.20 and 22,424.54

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Solution

The fourth proportional to 81,589.23, 122,385.20 and 22,424.54 is: 33,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,589.23 : 122,385.20 = 22,424.54 : x
  2. Step 2: Convert to fraction form
    81,589.23/122,385.20 = 22,424.54/x
  3. Step 3: Cross multiply
    81,589.23x = 122,385.20 × 22,424.54
  4. Step 4: Simplify right side
    81,589.23x = 2,744,431,088.76
  5. Step 5: Solve for x
    x = 2,744,431,088.76/81,589.23
  6. Step 6: Final answer
    x = 33,637.17

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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.