Home / 38,147.50-57,237-20,596.66

Finding the Fourth Proportional to 38,147.50, 57,237 and 20,596.66

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Solution

The fourth proportional to 38,147.50, 57,237 and 20,596.66 is: 30,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147.50 : 57,237 = 20,596.66 : x
  2. Step 2: Convert to fraction form
    38,147.50/57,237 = 20,596.66/x
  3. Step 3: Cross multiply
    38,147.50x = 57,237 × 20,596.66
  4. Step 4: Simplify right side
    38,147.50x = 1,178,891,028.42
  5. Step 5: Solve for x
    x = 1,178,891,028.42/38,147.50
  6. Step 6: Final answer
    x = 30,903.49

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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.