Home / 33,870.92-46,711.41-21,921.80

Finding the Fourth Proportional to 33,870.92, 46,711.41 and 21,921.80

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Solution

The fourth proportional to 33,870.92, 46,711.41 and 21,921.80 is: 30,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.92 : 46,711.41 = 21,921.80 : x
  2. Step 2: Convert to fraction form
    33,870.92/46,711.41 = 21,921.80/x
  3. Step 3: Cross multiply
    33,870.92x = 46,711.41 × 21,921.80
  4. Step 4: Simplify right side
    33,870.92x = 1,023,998,187.74
  5. Step 5: Solve for x
    x = 1,023,998,187.74/33,870.92
  6. Step 6: Final answer
    x = 30,232.37

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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.