Home / 45,890.51-68,836.52-12,610.37

Finding the Fourth Proportional to 45,890.51, 68,836.52 and 12,610.37

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Solution

The fourth proportional to 45,890.51, 68,836.52 and 12,610.37 is: 18,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.51 : 68,836.52 = 12,610.37 : x
  2. Step 2: Convert to fraction form
    45,890.51/68,836.52 = 12,610.37/x
  3. Step 3: Cross multiply
    45,890.51x = 68,836.52 × 12,610.37
  4. Step 4: Simplify right side
    45,890.51x = 868,053,642.53
  5. Step 5: Solve for x
    x = 868,053,642.53/45,890.51
  6. Step 6: Final answer
    x = 18,915.75

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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.