Home / 48,891.81-73,317.06-20,810.73

Finding the Fourth Proportional to 48,891.81, 73,317.06 and 20,810.73

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Solution

The fourth proportional to 48,891.81, 73,317.06 and 20,810.73 is: 31,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,891.81 : 73,317.06 = 20,810.73 : x
  2. Step 2: Convert to fraction form
    48,891.81/73,317.06 = 20,810.73/x
  3. Step 3: Cross multiply
    48,891.81x = 73,317.06 × 20,810.73
  4. Step 4: Simplify right side
    48,891.81x = 1,525,781,540.05
  5. Step 5: Solve for x
    x = 1,525,781,540.05/48,891.81
  6. Step 6: Final answer
    x = 31,207.30

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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.