Home / 33,236.65-49,840.38-12,445.57

Finding the Fourth Proportional to 33,236.65, 49,840.38 and 12,445.57

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Solution

The fourth proportional to 33,236.65, 49,840.38 and 12,445.57 is: 18,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,236.65 : 49,840.38 = 12,445.57 : x
  2. Step 2: Convert to fraction form
    33,236.65/49,840.38 = 12,445.57/x
  3. Step 3: Cross multiply
    33,236.65x = 49,840.38 × 12,445.57
  4. Step 4: Simplify right side
    33,236.65x = 620,291,938.12
  5. Step 5: Solve for x
    x = 620,291,938.12/33,236.65
  6. Step 6: Final answer
    x = 18,662.89

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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.