Home / 29,131.65-40,187.93-17,187.03

Finding the Fourth Proportional to 29,131.65, 40,187.93 and 17,187.03

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Solution

The fourth proportional to 29,131.65, 40,187.93 and 17,187.03 is: 23,709.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131.65 : 40,187.93 = 17,187.03 : x
  2. Step 2: Convert to fraction form
    29,131.65/40,187.93 = 17,187.03/x
  3. Step 3: Cross multiply
    29,131.65x = 40,187.93 × 17,187.03
  4. Step 4: Simplify right side
    29,131.65x = 690,711,072.61
  5. Step 5: Solve for x
    x = 690,711,072.61/29,131.65
  6. Step 6: Final answer
    x = 23,709.99

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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.