Home / 68,848.52-103,273.92-18,928.28

Finding the Fourth Proportional to 68,848.52, 103,273.92 and 18,928.28

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Solution

The fourth proportional to 68,848.52, 103,273.92 and 18,928.28 is: 28,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,848.52 : 103,273.92 = 18,928.28 : x
  2. Step 2: Convert to fraction form
    68,848.52/103,273.92 = 18,928.28/x
  3. Step 3: Cross multiply
    68,848.52x = 103,273.92 × 18,928.28
  4. Step 4: Simplify right side
    68,848.52x = 1,954,797,932.64
  5. Step 5: Solve for x
    x = 1,954,797,932.64/68,848.52
  6. Step 6: Final answer
    x = 28,392.74

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1.5x scale

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.