Home / 29,719.96-41,017.75-18,393.11

Finding the Fourth Proportional to 29,719.96, 41,017.75 and 18,393.11

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Solution

The fourth proportional to 29,719.96, 41,017.75 and 18,393.11 is: 25,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,719.96 : 41,017.75 = 18,393.11 : x
  2. Step 2: Convert to fraction form
    29,719.96/41,017.75 = 18,393.11/x
  3. Step 3: Cross multiply
    29,719.96x = 41,017.75 × 18,393.11
  4. Step 4: Simplify right side
    29,719.96x = 754,443,690.65
  5. Step 5: Solve for x
    x = 754,443,690.65/29,719.96
  6. Step 6: Final answer
    x = 25,385.08

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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.