Home / 45,836.31-68,754.52-12,556.66

Finding the Fourth Proportional to 45,836.31, 68,754.52 and 12,556.66

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Solution

The fourth proportional to 45,836.31, 68,754.52 and 12,556.66 is: 18,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,836.31 : 68,754.52 = 12,556.66 : x
  2. Step 2: Convert to fraction form
    45,836.31/68,754.52 = 12,556.66/x
  3. Step 3: Cross multiply
    45,836.31x = 68,754.52 × 12,556.66
  4. Step 4: Simplify right side
    45,836.31x = 863,326,896.43
  5. Step 5: Solve for x
    x = 863,326,896.43/45,836.31
  6. Step 6: Final answer
    x = 18,835.00

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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.