Home / 29,760.80-41,070.34-16,331.82

Finding the Fourth Proportional to 29,760.80, 41,070.34 and 16,331.82

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Solution

The fourth proportional to 29,760.80, 41,070.34 and 16,331.82 is: 22,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,760.80 : 41,070.34 = 16,331.82 : x
  2. Step 2: Convert to fraction form
    29,760.80/41,070.34 = 16,331.82/x
  3. Step 3: Cross multiply
    29,760.80x = 41,070.34 × 16,331.82
  4. Step 4: Simplify right side
    29,760.80x = 670,753,400.22
  5. Step 5: Solve for x
    x = 670,753,400.22/29,760.80
  6. Step 6: Final answer
    x = 22,538.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.