Home / 29,692.86-40,975.64-16,080.79

Finding the Fourth Proportional to 29,692.86, 40,975.64 and 16,080.79

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Solution

The fourth proportional to 29,692.86, 40,975.64 and 16,080.79 is: 22,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,692.86 : 40,975.64 = 16,080.79 : x
  2. Step 2: Convert to fraction form
    29,692.86/40,975.64 = 16,080.79/x
  3. Step 3: Cross multiply
    29,692.86x = 40,975.64 × 16,080.79
  4. Step 4: Simplify right side
    29,692.86x = 658,920,599.72
  5. Step 5: Solve for x
    x = 658,920,599.72/29,692.86
  6. Step 6: Final answer
    x = 22,191.21

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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.