Home / 33,870.87-46,729.76-20,249.45

Finding the Fourth Proportional to 33,870.87, 46,729.76 and 20,249.45

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Solution

The fourth proportional to 33,870.87, 46,729.76 and 20,249.45 is: 27,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.87 : 46,729.76 = 20,249.45 : x
  2. Step 2: Convert to fraction form
    33,870.87/46,729.76 = 20,249.45/x
  3. Step 3: Cross multiply
    33,870.87x = 46,729.76 × 20,249.45
  4. Step 4: Simplify right side
    33,870.87x = 946,251,603.74
  5. Step 5: Solve for x
    x = 946,251,603.74/33,870.87
  6. Step 6: Final answer
    x = 27,937.03

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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.