Home / 37,863.20-52,251.56-20,868.05

Finding the Fourth Proportional to 37,863.20, 52,251.56 and 20,868.05

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Solution

The fourth proportional to 37,863.20, 52,251.56 and 20,868.05 is: 28,798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,863.20 : 52,251.56 = 20,868.05 : x
  2. Step 2: Convert to fraction form
    37,863.20/52,251.56 = 20,868.05/x
  3. Step 3: Cross multiply
    37,863.20x = 52,251.56 × 20,868.05
  4. Step 4: Simplify right side
    37,863.20x = 1,090,387,801.06
  5. Step 5: Solve for x
    x = 1,090,387,801.06/37,863.20
  6. Step 6: Final answer
    x = 28,798.09

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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.