Home / 33,398.81-46,097.94-20,821.13

Finding the Fourth Proportional to 33,398.81, 46,097.94 and 20,821.13

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Solution

The fourth proportional to 33,398.81, 46,097.94 and 20,821.13 is: 28,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,398.81 : 46,097.94 = 20,821.13 : x
  2. Step 2: Convert to fraction form
    33,398.81/46,097.94 = 20,821.13/x
  3. Step 3: Cross multiply
    33,398.81x = 46,097.94 × 20,821.13
  4. Step 4: Simplify right side
    33,398.81x = 959,810,866.88
  5. Step 5: Solve for x
    x = 959,810,866.88/33,398.81
  6. Step 6: Final answer
    x = 28,737.88

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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.