Home / 33,278.60-49,917.90-21,468.80

Finding the Fourth Proportional to 33,278.60, 49,917.90 and 21,468.80

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Solution

The fourth proportional to 33,278.60, 49,917.90 and 21,468.80 is: 32,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.60 : 49,917.90 = 21,468.80 : x
  2. Step 2: Convert to fraction form
    33,278.60/49,917.90 = 21,468.80/x
  3. Step 3: Cross multiply
    33,278.60x = 49,917.90 × 21,468.80
  4. Step 4: Simplify right side
    33,278.60x = 1,071,677,411.52
  5. Step 5: Solve for x
    x = 1,071,677,411.52/33,278.60
  6. Step 6: Final answer
    x = 32,203.20

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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.