Home / 43,276.22-64,942.72-15,195.55

Finding the Fourth Proportional to 43,276.22, 64,942.72 and 15,195.55

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Solution

The fourth proportional to 43,276.22, 64,942.72 and 15,195.55 is: 22,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,276.22 : 64,942.72 = 15,195.55 : x
  2. Step 2: Convert to fraction form
    43,276.22/64,942.72 = 15,195.55/x
  3. Step 3: Cross multiply
    43,276.22x = 64,942.72 × 15,195.55
  4. Step 4: Simplify right side
    43,276.22x = 986,840,348.90
  5. Step 5: Solve for x
    x = 986,840,348.90/43,276.22
  6. Step 6: Final answer
    x = 22,803.29

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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.