Home / 57,588.79-86,395.49-20,150.09

Finding the Fourth Proportional to 57,588.79, 86,395.49 and 20,150.09

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Solution

The fourth proportional to 57,588.79, 86,395.49 and 20,150.09 is: 30,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,588.79 : 86,395.49 = 20,150.09 : x
  2. Step 2: Convert to fraction form
    57,588.79/86,395.49 = 20,150.09/x
  3. Step 3: Cross multiply
    57,588.79x = 86,395.49 × 20,150.09
  4. Step 4: Simplify right side
    57,588.79x = 1,740,876,366.37
  5. Step 5: Solve for x
    x = 1,740,876,366.37/57,588.79
  6. Step 6: Final answer
    x = 30,229.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.