Home / 43,186.61-64,788.62-18,226.68

Finding the Fourth Proportional to 43,186.61, 64,788.62 and 18,226.68

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Solution

The fourth proportional to 43,186.61, 64,788.62 and 18,226.68 is: 27,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,186.61 : 64,788.62 = 18,226.68 : x
  2. Step 2: Convert to fraction form
    43,186.61/64,788.62 = 18,226.68/x
  3. Step 3: Cross multiply
    43,186.61x = 64,788.62 × 18,226.68
  4. Step 4: Simplify right side
    43,186.61x = 1,180,881,353.25
  5. Step 5: Solve for x
    x = 1,180,881,353.25/43,186.61
  6. Step 6: Final answer
    x = 27,343.69

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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.