Home / 33,236.78-49,840.57-12,445.70

Finding the Fourth Proportional to 33,236.78, 49,840.57 and 12,445.70

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Solution

The fourth proportional to 33,236.78, 49,840.57 and 12,445.70 is: 18,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,236.78 : 49,840.57 = 12,445.70 : x
  2. Step 2: Convert to fraction form
    33,236.78/49,840.57 = 12,445.70/x
  3. Step 3: Cross multiply
    33,236.78x = 49,840.57 × 12,445.70
  4. Step 4: Simplify right side
    33,236.78x = 620,300,470.62
  5. Step 5: Solve for x
    x = 620,300,470.62/33,236.78
  6. Step 6: Final answer
    x = 18,663.08

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1.5x scale

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.