Home / 37,653.16-51,961.76-20,657.44

Finding the Fourth Proportional to 37,653.16, 51,961.76 and 20,657.44

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Solution

The fourth proportional to 37,653.16, 51,961.76 and 20,657.44 is: 28,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,653.16 : 51,961.76 = 20,657.44 : x
  2. Step 2: Convert to fraction form
    37,653.16/51,961.76 = 20,657.44/x
  3. Step 3: Cross multiply
    37,653.16x = 51,961.76 × 20,657.44
  4. Step 4: Simplify right side
    37,653.16x = 1,073,396,939.49
  5. Step 5: Solve for x
    x = 1,073,396,939.49/37,653.16
  6. Step 6: Final answer
    x = 28,507.49

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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.