Home / 48,668.74-73,008.31-20,591.63

Finding the Fourth Proportional to 48,668.74, 73,008.31 and 20,591.63

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Solution

The fourth proportional to 48,668.74, 73,008.31 and 20,591.63 is: 30,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,668.74 : 73,008.31 = 20,591.63 : x
  2. Step 2: Convert to fraction form
    48,668.74/73,008.31 = 20,591.63/x
  3. Step 3: Cross multiply
    48,668.74x = 73,008.31 × 20,591.63
  4. Step 4: Simplify right side
    48,668.74x = 1,503,360,162.90
  5. Step 5: Solve for x
    x = 1,503,360,162.90/48,668.74
  6. Step 6: Final answer
    x = 30,889.65

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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.