Home / 29,415.35-40,593.11-15,986.61

Finding the Fourth Proportional to 29,415.35, 40,593.11 and 15,986.61

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Solution

The fourth proportional to 29,415.35, 40,593.11 and 15,986.61 is: 22,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.35 : 40,593.11 = 15,986.61 : x
  2. Step 2: Convert to fraction form
    29,415.35/40,593.11 = 15,986.61/x
  3. Step 3: Cross multiply
    29,415.35x = 40,593.11 × 15,986.61
  4. Step 4: Simplify right side
    29,415.35x = 648,946,138.32
  5. Step 5: Solve for x
    x = 648,946,138.32/29,415.35
  6. Step 6: Final answer
    x = 22,061.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.