Home / 40,169.79-55,442.07-23,185.04

Finding the Fourth Proportional to 40,169.79, 55,442.07 and 23,185.04

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Solution

The fourth proportional to 40,169.79, 55,442.07 and 23,185.04 is: 31,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169.79 : 55,442.07 = 23,185.04 : x
  2. Step 2: Convert to fraction form
    40,169.79/55,442.07 = 23,185.04/x
  3. Step 3: Cross multiply
    40,169.79x = 55,442.07 × 23,185.04
  4. Step 4: Simplify right side
    40,169.79x = 1,285,426,333.42
  5. Step 5: Solve for x
    x = 1,285,426,333.42/40,169.79
  6. Step 6: Final answer
    x = 31,999.83

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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.