Home / 33,271.80-45,922.80-21,943.32

Finding the Fourth Proportional to 33,271.80, 45,922.80 and 21,943.32

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Solution

The fourth proportional to 33,271.80, 45,922.80 and 21,943.32 is: 30,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,271.80 : 45,922.80 = 21,943.32 : x
  2. Step 2: Convert to fraction form
    33,271.80/45,922.80 = 21,943.32/x
  3. Step 3: Cross multiply
    33,271.80x = 45,922.80 × 21,943.32
  4. Step 4: Simplify right side
    33,271.80x = 1,007,698,695.70
  5. Step 5: Solve for x
    x = 1,007,698,695.70/33,271.80
  6. Step 6: Final answer
    x = 30,286.87

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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.