Home / 39,207.76-58,811.68-21,714.52

Finding the Fourth Proportional to 39,207.76, 58,811.68 and 21,714.52

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Solution

The fourth proportional to 39,207.76, 58,811.68 and 21,714.52 is: 32,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,207.76 : 58,811.68 = 21,714.52 : x
  2. Step 2: Convert to fraction form
    39,207.76/58,811.68 = 21,714.52/x
  3. Step 3: Cross multiply
    39,207.76x = 58,811.68 × 21,714.52
  4. Step 4: Simplify right side
    39,207.76x = 1,277,067,401.59
  5. Step 5: Solve for x
    x = 1,277,067,401.59/39,207.76
  6. Step 6: Final answer
    x = 32,571.80

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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.