Home / 33,566.70-46,310.51-20,815.30

Finding the Fourth Proportional to 33,566.70, 46,310.51 and 20,815.30

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Solution

The fourth proportional to 33,566.70, 46,310.51 and 20,815.30 is: 28,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,566.70 : 46,310.51 = 20,815.30 : x
  2. Step 2: Convert to fraction form
    33,566.70/46,310.51 = 20,815.30/x
  3. Step 3: Cross multiply
    33,566.70x = 46,310.51 × 20,815.30
  4. Step 4: Simplify right side
    33,566.70x = 963,967,158.80
  5. Step 5: Solve for x
    x = 963,967,158.80/33,566.70
  6. Step 6: Final answer
    x = 28,717.96

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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.