Home / 47,814.78-71,721.54-21,500.94

Finding the Fourth Proportional to 47,814.78, 71,721.54 and 21,500.94

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Solution

The fourth proportional to 47,814.78, 71,721.54 and 21,500.94 is: 32,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,814.78 : 71,721.54 = 21,500.94 : x
  2. Step 2: Convert to fraction form
    47,814.78/71,721.54 = 21,500.94/x
  3. Step 3: Cross multiply
    47,814.78x = 71,721.54 × 21,500.94
  4. Step 4: Simplify right side
    47,814.78x = 1,542,080,528.25
  5. Step 5: Solve for x
    x = 1,542,080,528.25/47,814.78
  6. Step 6: Final answer
    x = 32,251.13

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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.