Home / 38,063.39-57,011.72-19,311.21

Finding the Fourth Proportional to 38,063.39, 57,011.72 and 19,311.21

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Solution

The fourth proportional to 38,063.39, 57,011.72 and 19,311.21 is: 28,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,063.39 : 57,011.72 = 19,311.21 : x
  2. Step 2: Convert to fraction form
    38,063.39/57,011.72 = 19,311.21/x
  3. Step 3: Cross multiply
    38,063.39x = 57,011.72 × 19,311.21
  4. Step 4: Simplify right side
    38,063.39x = 1,100,965,200.83
  5. Step 5: Solve for x
    x = 1,100,965,200.83/38,063.39
  6. Step 6: Final answer
    x = 28,924.52

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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.