Home / 38,254.44-57,274.74-20,661.24

Finding the Fourth Proportional to 38,254.44, 57,274.74 and 20,661.24

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Solution

The fourth proportional to 38,254.44, 57,274.74 and 20,661.24 is: 30,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.44 : 57,274.74 = 20,661.24 : x
  2. Step 2: Convert to fraction form
    38,254.44/57,274.74 = 20,661.24/x
  3. Step 3: Cross multiply
    38,254.44x = 57,274.74 × 20,661.24
  4. Step 4: Simplify right side
    38,254.44x = 1,183,367,149.08
  5. Step 5: Solve for x
    x = 1,183,367,149.08/38,254.44
  6. Step 6: Final answer
    x = 30,934.11

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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.