Home / 29,721.75-44,551.20-10,989.77

Finding the Fourth Proportional to 29,721.75, 44,551.20 and 10,989.77

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Solution

The fourth proportional to 29,721.75, 44,551.20 and 10,989.77 is: 16,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,721.75 : 44,551.20 = 10,989.77 : x
  2. Step 2: Convert to fraction form
    29,721.75/44,551.20 = 10,989.77/x
  3. Step 3: Cross multiply
    29,721.75x = 44,551.20 × 10,989.77
  4. Step 4: Simplify right side
    29,721.75x = 489,607,218.47
  5. Step 5: Solve for x
    x = 489,607,218.47/29,721.75
  6. Step 6: Final answer
    x = 16,473.03

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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.