Home / 37,657.38-51,967.69-20,661.32

Finding the Fourth Proportional to 37,657.38, 51,967.69 and 20,661.32

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Solution

The fourth proportional to 37,657.38, 51,967.69 and 20,661.32 is: 28,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,657.38 : 51,967.69 = 20,661.32 : x
  2. Step 2: Convert to fraction form
    37,657.38/51,967.69 = 20,661.32/x
  3. Step 3: Cross multiply
    37,657.38x = 51,967.69 × 20,661.32
  4. Step 4: Simplify right side
    37,657.38x = 1,073,721,072.75
  5. Step 5: Solve for x
    x = 1,073,721,072.75/37,657.38
  6. Step 6: Final answer
    x = 28,512.90

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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.