Home / 33,888.55-46,765.65-18,781.17

Finding the Fourth Proportional to 33,888.55, 46,765.65 and 18,781.17

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Solution

The fourth proportional to 33,888.55, 46,765.65 and 18,781.17 is: 25,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,888.55 : 46,765.65 = 18,781.17 : x
  2. Step 2: Convert to fraction form
    33,888.55/46,765.65 = 18,781.17/x
  3. Step 3: Cross multiply
    33,888.55x = 46,765.65 × 18,781.17
  4. Step 4: Simplify right side
    33,888.55x = 878,313,517.87
  5. Step 5: Solve for x
    x = 878,313,517.87/33,888.55
  6. Step 6: Final answer
    x = 25,917.71

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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.