Home / 33,278.60-49,917.90-30,744.20

Finding the Fourth Proportional to 33,278.60, 49,917.90 and 30,744.20

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Solution

The fourth proportional to 33,278.60, 49,917.90 and 30,744.20 is: 46,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.60 : 49,917.90 = 30,744.20 : x
  2. Step 2: Convert to fraction form
    33,278.60/49,917.90 = 30,744.20/x
  3. Step 3: Cross multiply
    33,278.60x = 49,917.90 × 30,744.20
  4. Step 4: Simplify right side
    33,278.60x = 1,534,685,901.18
  5. Step 5: Solve for x
    x = 1,534,685,901.18/33,278.60
  6. Step 6: Final answer
    x = 46,116.30

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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.