Home / 43,181.40-64,772.10-16,867.69

Finding the Fourth Proportional to 43,181.40, 64,772.10 and 16,867.69

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Solution

The fourth proportional to 43,181.40, 64,772.10 and 16,867.69 is: 25,301.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,181.40 : 64,772.10 = 16,867.69 : x
  2. Step 2: Convert to fraction form
    43,181.40/64,772.10 = 16,867.69/x
  3. Step 3: Cross multiply
    43,181.40x = 64,772.10 × 16,867.69
  4. Step 4: Simplify right side
    43,181.40x = 1,092,555,541.52
  5. Step 5: Solve for x
    x = 1,092,555,541.52/43,181.40
  6. Step 6: Final answer
    x = 25,301.53

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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.