Home / 40,260.62-60,411-18,089.84

Finding the Fourth Proportional to 40,260.62, 60,411 and 18,089.84

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Solution

The fourth proportional to 40,260.62, 60,411 and 18,089.84 is: 27,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,260.62 : 60,411 = 18,089.84 : x
  2. Step 2: Convert to fraction form
    40,260.62/60,411 = 18,089.84/x
  3. Step 3: Cross multiply
    40,260.62x = 60,411 × 18,089.84
  4. Step 4: Simplify right side
    40,260.62x = 1,092,825,324.24
  5. Step 5: Solve for x
    x = 1,092,825,324.24/40,260.62
  6. Step 6: Final answer
    x = 27,143.78

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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.