Home / 40,418.19-60,634.08-18,231.03

Finding the Fourth Proportional to 40,418.19, 60,634.08 and 18,231.03

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Solution

The fourth proportional to 40,418.19, 60,634.08 and 18,231.03 is: 27,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.19 : 60,634.08 = 18,231.03 : x
  2. Step 2: Convert to fraction form
    40,418.19/60,634.08 = 18,231.03/x
  3. Step 3: Cross multiply
    40,418.19x = 60,634.08 × 18,231.03
  4. Step 4: Simplify right side
    40,418.19x = 1,105,421,731.50
  5. Step 5: Solve for x
    x = 1,105,421,731.50/40,418.19
  6. Step 6: Final answer
    x = 27,349.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.