Home / 43,217.90-64,800.92-16,891.28

Finding the Fourth Proportional to 43,217.90, 64,800.92 and 16,891.28

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Solution

The fourth proportional to 43,217.90, 64,800.92 and 16,891.28 is: 25,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,217.90 : 64,800.92 = 16,891.28 : x
  2. Step 2: Convert to fraction form
    43,217.90/64,800.92 = 16,891.28/x
  3. Step 3: Cross multiply
    43,217.90x = 64,800.92 × 16,891.28
  4. Step 4: Simplify right side
    43,217.90x = 1,094,570,483.98
  5. Step 5: Solve for x
    x = 1,094,570,483.98/43,217.90
  6. Step 6: Final answer
    x = 25,326.79

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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.