Home / 34,182.25-51,274.19-13,405.75

Finding the Fourth Proportional to 34,182.25, 51,274.19 and 13,405.75

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Solution

The fourth proportional to 34,182.25, 51,274.19 and 13,405.75 is: 20,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,182.25 : 51,274.19 = 13,405.75 : x
  2. Step 2: Convert to fraction form
    34,182.25/51,274.19 = 13,405.75/x
  3. Step 3: Cross multiply
    34,182.25x = 51,274.19 × 13,405.75
  4. Step 4: Simplify right side
    34,182.25x = 687,368,972.59
  5. Step 5: Solve for x
    x = 687,368,972.59/34,182.25
  6. Step 6: Final answer
    x = 20,108.94

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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.