Home / 48,867.90-73,272.15-19,251.60

Finding the Fourth Proportional to 48,867.90, 73,272.15 and 19,251.60

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Solution

The fourth proportional to 48,867.90, 73,272.15 and 19,251.60 is: 28,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,867.90 : 73,272.15 = 19,251.60 : x
  2. Step 2: Convert to fraction form
    48,867.90/73,272.15 = 19,251.60/x
  3. Step 3: Cross multiply
    48,867.90x = 73,272.15 × 19,251.60
  4. Step 4: Simplify right side
    48,867.90x = 1,410,606,122.94
  5. Step 5: Solve for x
    x = 1,410,606,122.94/48,867.90
  6. Step 6: Final answer
    x = 28,865.70

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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.