Home / 37,621.69-51,917.58-20,626.88

Finding the Fourth Proportional to 37,621.69, 51,917.58 and 20,626.88

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Solution

The fourth proportional to 37,621.69, 51,917.58 and 20,626.88 is: 28,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,621.69 : 51,917.58 = 20,626.88 : x
  2. Step 2: Convert to fraction form
    37,621.69/51,917.58 = 20,626.88/x
  3. Step 3: Cross multiply
    37,621.69x = 51,917.58 × 20,626.88
  4. Step 4: Simplify right side
    37,621.69x = 1,070,897,432.96
  5. Step 5: Solve for x
    x = 1,070,897,432.96/37,621.69
  6. Step 6: Final answer
    x = 28,464.90

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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.