Home / 38,795.72-58,219.10-21,277.85

Finding the Fourth Proportional to 38,795.72, 58,219.10 and 21,277.85

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Solution

The fourth proportional to 38,795.72, 58,219.10 and 21,277.85 is: 31,930.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,795.72 : 58,219.10 = 21,277.85 : x
  2. Step 2: Convert to fraction form
    38,795.72/58,219.10 = 21,277.85/x
  3. Step 3: Cross multiply
    38,795.72x = 58,219.10 × 21,277.85
  4. Step 4: Simplify right side
    38,795.72x = 1,238,777,276.94
  5. Step 5: Solve for x
    x = 1,238,777,276.94/38,795.72
  6. Step 6: Final answer
    x = 31,930.77

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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.