Home / 37,621.24-51,917-20,625.54

Finding the Fourth Proportional to 37,621.24, 51,917 and 20,625.54

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Solution

The fourth proportional to 37,621.24, 51,917 and 20,625.54 is: 28,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,621.24 : 51,917 = 20,625.54 : x
  2. Step 2: Convert to fraction form
    37,621.24/51,917 = 20,625.54/x
  3. Step 3: Cross multiply
    37,621.24x = 51,917 × 20,625.54
  4. Step 4: Simplify right side
    37,621.24x = 1,070,816,160.18
  5. Step 5: Solve for x
    x = 1,070,816,160.18/37,621.24
  6. Step 6: Final answer
    x = 28,463.07

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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.