Home / 33,201.60-49,802.19-13,479.96

Finding the Fourth Proportional to 33,201.60, 49,802.19 and 13,479.96

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Solution

The fourth proportional to 33,201.60, 49,802.19 and 13,479.96 is: 20,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,201.60 : 49,802.19 = 13,479.96 : x
  2. Step 2: Convert to fraction form
    33,201.60/49,802.19 = 13,479.96/x
  3. Step 3: Cross multiply
    33,201.60x = 49,802.19 × 13,479.96
  4. Step 4: Simplify right side
    33,201.60x = 671,331,529.11
  5. Step 5: Solve for x
    x = 671,331,529.11/33,201.60
  6. Step 6: Final answer
    x = 20,219.85

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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.