Home / 47,940.68-71,921.40-18,358.52

Finding the Fourth Proportional to 47,940.68, 71,921.40 and 18,358.52

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Solution

The fourth proportional to 47,940.68, 71,921.40 and 18,358.52 is: 27,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,940.68 : 71,921.40 = 18,358.52 : x
  2. Step 2: Convert to fraction form
    47,940.68/71,921.40 = 18,358.52/x
  3. Step 3: Cross multiply
    47,940.68x = 71,921.40 × 18,358.52
  4. Step 4: Simplify right side
    47,940.68x = 1,320,370,370.43
  5. Step 5: Solve for x
    x = 1,320,370,370.43/47,940.68
  6. Step 6: Final answer
    x = 27,541.75

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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.