Home / 48,749.31-73,109.43-20,668.92

Finding the Fourth Proportional to 48,749.31, 73,109.43 and 20,668.92

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Solution

The fourth proportional to 48,749.31, 73,109.43 and 20,668.92 is: 30,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,749.31 : 73,109.43 = 20,668.92 : x
  2. Step 2: Convert to fraction form
    48,749.31/73,109.43 = 20,668.92/x
  3. Step 3: Cross multiply
    48,749.31x = 73,109.43 × 20,668.92
  4. Step 4: Simplify right side
    48,749.31x = 1,511,092,959.92
  5. Step 5: Solve for x
    x = 1,511,092,959.92/48,749.31
  6. Step 6: Final answer
    x = 30,997.22

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1.5x scale

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.