Home / 38,074.40-57,132.26-15,889.71

Finding the Fourth Proportional to 38,074.40, 57,132.26 and 15,889.71

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Solution

The fourth proportional to 38,074.40, 57,132.26 and 15,889.71 is: 23,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.40 : 57,132.26 = 15,889.71 : x
  2. Step 2: Convert to fraction form
    38,074.40/57,132.26 = 15,889.71/x
  3. Step 3: Cross multiply
    38,074.40x = 57,132.26 × 15,889.71
  4. Step 4: Simplify right side
    38,074.40x = 907,814,963.60
  5. Step 5: Solve for x
    x = 907,814,963.60/38,074.40
  6. Step 6: Final answer
    x = 23,843.19

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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.