Home / 47,819.69-71,714.02-15,791.56

Finding the Fourth Proportional to 47,819.69, 71,714.02 and 15,791.56

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Solution

The fourth proportional to 47,819.69, 71,714.02 and 15,791.56 is: 23,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,819.69 : 71,714.02 = 15,791.56 : x
  2. Step 2: Convert to fraction form
    47,819.69/71,714.02 = 15,791.56/x
  3. Step 3: Cross multiply
    47,819.69x = 71,714.02 × 15,791.56
  4. Step 4: Simplify right side
    47,819.69x = 1,132,475,812.14
  5. Step 5: Solve for x
    x = 1,132,475,812.14/47,819.69
  6. Step 6: Final answer
    x = 23,682.21

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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.