Home / 33,398.06-46,096.90-20,820.38

Finding the Fourth Proportional to 33,398.06, 46,096.90 and 20,820.38

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Solution

The fourth proportional to 33,398.06, 46,096.90 and 20,820.38 is: 28,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,398.06 : 46,096.90 = 20,820.38 : x
  2. Step 2: Convert to fraction form
    33,398.06/46,096.90 = 20,820.38/x
  3. Step 3: Cross multiply
    33,398.06x = 46,096.90 × 20,820.38
  4. Step 4: Simplify right side
    33,398.06x = 959,754,692.29
  5. Step 5: Solve for x
    x = 959,754,692.29/33,398.06
  6. Step 6: Final answer
    x = 28,736.84

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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.