Home / 38,942.30-58,431.54-19,209.98

Finding the Fourth Proportional to 38,942.30, 58,431.54 and 19,209.98

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Solution

The fourth proportional to 38,942.30, 58,431.54 and 19,209.98 is: 28,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,942.30 : 58,431.54 = 19,209.98 : x
  2. Step 2: Convert to fraction form
    38,942.30/58,431.54 = 19,209.98/x
  3. Step 3: Cross multiply
    38,942.30x = 58,431.54 × 19,209.98
  4. Step 4: Simplify right side
    38,942.30x = 1,122,468,714.77
  5. Step 5: Solve for x
    x = 1,122,468,714.77/38,942.30
  6. Step 6: Final answer
    x = 28,823.89

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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.