Home / 38,111.37-57,157.86-15,912.71

Finding the Fourth Proportional to 38,111.37, 57,157.86 and 15,912.71

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Solution

The fourth proportional to 38,111.37, 57,157.86 and 15,912.71 is: 23,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.37 : 57,157.86 = 15,912.71 : x
  2. Step 2: Convert to fraction form
    38,111.37/57,157.86 = 15,912.71/x
  3. Step 3: Cross multiply
    38,111.37x = 57,157.86 × 15,912.71
  4. Step 4: Simplify right side
    38,111.37x = 909,536,593.30
  5. Step 5: Solve for x
    x = 909,536,593.30/38,111.37
  6. Step 6: Final answer
    x = 23,865.23

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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.