Home / 37,590.12-51,872.38-20,591.21

Finding the Fourth Proportional to 37,590.12, 51,872.38 and 20,591.21

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Solution

The fourth proportional to 37,590.12, 51,872.38 and 20,591.21 is: 28,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,590.12 : 51,872.38 = 20,591.21 : x
  2. Step 2: Convert to fraction form
    37,590.12/51,872.38 = 20,591.21/x
  3. Step 3: Cross multiply
    37,590.12x = 51,872.38 × 20,591.21
  4. Step 4: Simplify right side
    37,590.12x = 1,068,114,810.42
  5. Step 5: Solve for x
    x = 1,068,114,810.42/37,590.12
  6. Step 6: Final answer
    x = 28,414.78

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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.