Home / 33,385.20-46,088.28-20,816.88

Finding the Fourth Proportional to 33,385.20, 46,088.28 and 20,816.88

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Solution

The fourth proportional to 33,385.20, 46,088.28 and 20,816.88 is: 28,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,385.20 : 46,088.28 = 20,816.88 : x
  2. Step 2: Convert to fraction form
    33,385.20/46,088.28 = 20,816.88/x
  3. Step 3: Cross multiply
    33,385.20x = 46,088.28 × 20,816.88
  4. Step 4: Simplify right side
    33,385.20x = 959,414,194.17
  5. Step 5: Solve for x
    x = 959,414,194.17/33,385.20
  6. Step 6: Final answer
    x = 28,737.71

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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.