Home / 33,778.29-46,614.09-20,350.11

Finding the Fourth Proportional to 33,778.29, 46,614.09 and 20,350.11

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Solution

The fourth proportional to 33,778.29, 46,614.09 and 20,350.11 is: 28,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,778.29 : 46,614.09 = 20,350.11 : x
  2. Step 2: Convert to fraction form
    33,778.29/46,614.09 = 20,350.11/x
  3. Step 3: Cross multiply
    33,778.29x = 46,614.09 × 20,350.11
  4. Step 4: Simplify right side
    33,778.29x = 948,601,859.05
  5. Step 5: Solve for x
    x = 948,601,859.05/33,778.29
  6. Step 6: Final answer
    x = 28,083.18

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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.