Home / 43,303.68-64,905.08-18,335.43

Finding the Fourth Proportional to 43,303.68, 64,905.08 and 18,335.43

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Solution

The fourth proportional to 43,303.68, 64,905.08 and 18,335.43 is: 27,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,303.68 : 64,905.08 = 18,335.43 : x
  2. Step 2: Convert to fraction form
    43,303.68/64,905.08 = 18,335.43/x
  3. Step 3: Cross multiply
    43,303.68x = 64,905.08 × 18,335.43
  4. Step 4: Simplify right side
    43,303.68x = 1,190,062,459.31
  5. Step 5: Solve for x
    x = 1,190,062,459.31/43,303.68
  6. Step 6: Final answer
    x = 27,481.79

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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.