Home / 48,668.31-73,009.89-20,588.40

Finding the Fourth Proportional to 48,668.31, 73,009.89 and 20,588.40

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Solution

The fourth proportional to 48,668.31, 73,009.89 and 20,588.40 is: 30,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,668.31 : 73,009.89 = 20,588.40 : x
  2. Step 2: Convert to fraction form
    48,668.31/73,009.89 = 20,588.40/x
  3. Step 3: Cross multiply
    48,668.31x = 73,009.89 × 20,588.40
  4. Step 4: Simplify right side
    48,668.31x = 1,503,156,819.28
  5. Step 5: Solve for x
    x = 1,503,156,819.28/48,668.31
  6. Step 6: Final answer
    x = 30,885.74

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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.