Home / 29,515.86-40,751.10-22,789.62

Finding the Fourth Proportional to 29,515.86, 40,751.10 and 22,789.62

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Solution

The fourth proportional to 29,515.86, 40,751.10 and 22,789.62 is: 31,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,515.86 : 40,751.10 = 22,789.62 : x
  2. Step 2: Convert to fraction form
    29,515.86/40,751.10 = 22,789.62/x
  3. Step 3: Cross multiply
    29,515.86x = 40,751.10 × 22,789.62
  4. Step 4: Simplify right side
    29,515.86x = 928,702,083.58
  5. Step 5: Solve for x
    x = 928,702,083.58/29,515.86
  6. Step 6: Final answer
    x = 31,464.51

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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.