Home / 33,861.33-46,728.78-18,753.66

Finding the Fourth Proportional to 33,861.33, 46,728.78 and 18,753.66

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Solution

The fourth proportional to 33,861.33, 46,728.78 and 18,753.66 is: 25,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,861.33 : 46,728.78 = 18,753.66 : x
  2. Step 2: Convert to fraction form
    33,861.33/46,728.78 = 18,753.66/x
  3. Step 3: Cross multiply
    33,861.33x = 46,728.78 × 18,753.66
  4. Step 4: Simplify right side
    33,861.33x = 876,335,652.33
  5. Step 5: Solve for x
    x = 876,335,652.33/33,861.33
  6. Step 6: Final answer
    x = 25,880.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.