Home / 33,813.74-46,660.92-20,389.34

Finding the Fourth Proportional to 33,813.74, 46,660.92 and 20,389.34

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Solution

The fourth proportional to 33,813.74, 46,660.92 and 20,389.34 is: 28,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,813.74 : 46,660.92 = 20,389.34 : x
  2. Step 2: Convert to fraction form
    33,813.74/46,660.92 = 20,389.34/x
  3. Step 3: Cross multiply
    33,813.74x = 46,660.92 × 20,389.34
  4. Step 4: Simplify right side
    33,813.74x = 951,385,362.59
  5. Step 5: Solve for x
    x = 951,385,362.59/33,813.74
  6. Step 6: Final answer
    x = 28,136.06

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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.