Home / 33,691.81-46,509.65-21,760.97

Finding the Fourth Proportional to 33,691.81, 46,509.65 and 21,760.97

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Solution

The fourth proportional to 33,691.81, 46,509.65 and 21,760.97 is: 30,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,691.81 : 46,509.65 = 21,760.97 : x
  2. Step 2: Convert to fraction form
    33,691.81/46,509.65 = 21,760.97/x
  3. Step 3: Cross multiply
    33,691.81x = 46,509.65 × 21,760.97
  4. Step 4: Simplify right side
    33,691.81x = 1,012,094,972.22
  5. Step 5: Solve for x
    x = 1,012,094,972.22/33,691.81
  6. Step 6: Final answer
    x = 30,039.79

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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.