Home / 29,390.66-40,559.10-15,961.94

Finding the Fourth Proportional to 29,390.66, 40,559.10 and 15,961.94

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Solution

The fourth proportional to 29,390.66, 40,559.10 and 15,961.94 is: 22,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,390.66 : 40,559.10 = 15,961.94 : x
  2. Step 2: Convert to fraction form
    29,390.66/40,559.10 = 15,961.94/x
  3. Step 3: Cross multiply
    29,390.66x = 40,559.10 × 15,961.94
  4. Step 4: Simplify right side
    29,390.66x = 647,401,920.65
  5. Step 5: Solve for x
    x = 647,401,920.65/29,390.66
  6. Step 6: Final answer
    x = 22,027.47

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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.