Home / 29,110-40,178.28-18,497.56

Finding the Fourth Proportional to 29,110, 40,178.28 and 18,497.56

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Solution

The fourth proportional to 29,110, 40,178.28 and 18,497.56 is: 25,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110 : 40,178.28 = 18,497.56 : x
  2. Step 2: Convert to fraction form
    29,110/40,178.28 = 18,497.56/x
  3. Step 3: Cross multiply
    29,110x = 40,178.28 × 18,497.56
  4. Step 4: Simplify right side
    29,110x = 743,200,145.00
  5. Step 5: Solve for x
    x = 743,200,145.00/29,110
  6. Step 6: Final answer
    x = 25,530.75

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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.