Home / 38,536.86-57,811.44-12,239.52

Finding the Fourth Proportional to 38,536.86, 57,811.44 and 12,239.52

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Solution

The fourth proportional to 38,536.86, 57,811.44 and 12,239.52 is: 18,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,536.86 : 57,811.44 = 12,239.52 : x
  2. Step 2: Convert to fraction form
    38,536.86/57,811.44 = 12,239.52/x
  3. Step 3: Cross multiply
    38,536.86x = 57,811.44 × 12,239.52
  4. Step 4: Simplify right side
    38,536.86x = 707,584,276.11
  5. Step 5: Solve for x
    x = 707,584,276.11/38,536.86
  6. Step 6: Final answer
    x = 18,361.23

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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.