Home / 33,518.31-50,232.11-12,730.47

Finding the Fourth Proportional to 33,518.31, 50,232.11 and 12,730.47

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Solution

The fourth proportional to 33,518.31, 50,232.11 and 12,730.47 is: 19,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,518.31 : 50,232.11 = 12,730.47 : x
  2. Step 2: Convert to fraction form
    33,518.31/50,232.11 = 12,730.47/x
  3. Step 3: Cross multiply
    33,518.31x = 50,232.11 × 12,730.47
  4. Step 4: Simplify right side
    33,518.31x = 639,478,305.74
  5. Step 5: Solve for x
    x = 639,478,305.74/33,518.31
  6. Step 6: Final answer
    x = 19,078.48

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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.