Home / 38,087.62-57,096.44-13,121.74

Finding the Fourth Proportional to 38,087.62, 57,096.44 and 13,121.74

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Solution

The fourth proportional to 38,087.62, 57,096.44 and 13,121.74 is: 19,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,087.62 : 57,096.44 = 13,121.74 : x
  2. Step 2: Convert to fraction form
    38,087.62/57,096.44 = 13,121.74/x
  3. Step 3: Cross multiply
    38,087.62x = 57,096.44 × 13,121.74
  4. Step 4: Simplify right side
    38,087.62x = 749,204,448.22
  5. Step 5: Solve for x
    x = 749,204,448.22/38,087.62
  6. Step 6: Final answer
    x = 19,670.55

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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.