Home / 48,673.20-73,013.15-20,565.39

Finding the Fourth Proportional to 48,673.20, 73,013.15 and 20,565.39

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Solution

The fourth proportional to 48,673.20, 73,013.15 and 20,565.39 is: 30,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,673.20 : 73,013.15 = 20,565.39 : x
  2. Step 2: Convert to fraction form
    48,673.20/73,013.15 = 20,565.39/x
  3. Step 3: Cross multiply
    48,673.20x = 73,013.15 × 20,565.39
  4. Step 4: Simplify right side
    48,673.20x = 1,501,543,904.88
  5. Step 5: Solve for x
    x = 1,501,543,904.88/48,673.20
  6. Step 6: Final answer
    x = 30,849.50

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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.