Home / 45,233.30-67,837.80-18,932.60

Finding the Fourth Proportional to 45,233.30, 67,837.80 and 18,932.60

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Solution

The fourth proportional to 45,233.30, 67,837.80 and 18,932.60 is: 28,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,233.30 : 67,837.80 = 18,932.60 : x
  2. Step 2: Convert to fraction form
    45,233.30/67,837.80 = 18,932.60/x
  3. Step 3: Cross multiply
    45,233.30x = 67,837.80 × 18,932.60
  4. Step 4: Simplify right side
    45,233.30x = 1,284,345,932.28
  5. Step 5: Solve for x
    x = 1,284,345,932.28/45,233.30
  6. Step 6: Final answer
    x = 28,393.81

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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.