Home / 43,451.60-65,178.62-15,367.69

Finding the Fourth Proportional to 43,451.60, 65,178.62 and 15,367.69

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Solution

The fourth proportional to 43,451.60, 65,178.62 and 15,367.69 is: 23,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,451.60 : 65,178.62 = 15,367.69 : x
  2. Step 2: Convert to fraction form
    43,451.60/65,178.62 = 15,367.69/x
  3. Step 3: Cross multiply
    43,451.60x = 65,178.62 × 15,367.69
  4. Step 4: Simplify right side
    43,451.60x = 1,001,644,424.06
  5. Step 5: Solve for x
    x = 1,001,644,424.06/43,451.60
  6. Step 6: Final answer
    x = 23,051.96

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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.