Home / 33,269.16-45,919.14-21,940.70

Finding the Fourth Proportional to 33,269.16, 45,919.14 and 21,940.70

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Solution

The fourth proportional to 33,269.16, 45,919.14 and 21,940.70 is: 30,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,269.16 : 45,919.14 = 21,940.70 : x
  2. Step 2: Convert to fraction form
    33,269.16/45,919.14 = 21,940.70/x
  3. Step 3: Cross multiply
    33,269.16x = 45,919.14 × 21,940.70
  4. Step 4: Simplify right side
    33,269.16x = 1,007,498,075.00
  5. Step 5: Solve for x
    x = 1,007,498,075.00/33,269.16
  6. Step 6: Final answer
    x = 30,283.24

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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.