Home / 33,870.24-46,734.18-21,287.70

Finding the Fourth Proportional to 33,870.24, 46,734.18 and 21,287.70

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Solution

The fourth proportional to 33,870.24, 46,734.18 and 21,287.70 is: 29,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.24 : 46,734.18 = 21,287.70 : x
  2. Step 2: Convert to fraction form
    33,870.24/46,734.18 = 21,287.70/x
  3. Step 3: Cross multiply
    33,870.24x = 46,734.18 × 21,287.70
  4. Step 4: Simplify right side
    33,870.24x = 994,863,203.59
  5. Step 5: Solve for x
    x = 994,863,203.59/33,870.24
  6. Step 6: Final answer
    x = 29,372.78

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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.