Home / 29,420.62-40,600.33-15,991.83

Finding the Fourth Proportional to 29,420.62, 40,600.33 and 15,991.83

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Solution

The fourth proportional to 29,420.62, 40,600.33 and 15,991.83 is: 22,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.62 : 40,600.33 = 15,991.83 : x
  2. Step 2: Convert to fraction form
    29,420.62/40,600.33 = 15,991.83/x
  3. Step 3: Cross multiply
    29,420.62x = 40,600.33 × 15,991.83
  4. Step 4: Simplify right side
    29,420.62x = 649,273,575.30
  5. Step 5: Solve for x
    x = 649,273,575.30/29,420.62
  6. Step 6: Final answer
    x = 22,068.66

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1.5x scale

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.