Home / 33,928.11-46,821.08-18,821.76

Finding the Fourth Proportional to 33,928.11, 46,821.08 and 18,821.76

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Solution

The fourth proportional to 33,928.11, 46,821.08 and 18,821.76 is: 25,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,928.11 : 46,821.08 = 18,821.76 : x
  2. Step 2: Convert to fraction form
    33,928.11/46,821.08 = 18,821.76/x
  3. Step 3: Cross multiply
    33,928.11x = 46,821.08 × 18,821.76
  4. Step 4: Simplify right side
    33,928.11x = 881,255,130.70
  5. Step 5: Solve for x
    x = 881,255,130.70/33,928.11
  6. Step 6: Final answer
    x = 25,974.19

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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.