Home / 53,871.24-80,843.73-18,810.90

Finding the Fourth Proportional to 53,871.24, 80,843.73 and 18,810.90

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Solution

The fourth proportional to 53,871.24, 80,843.73 and 18,810.90 is: 28,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871.24 : 80,843.73 = 18,810.90 : x
  2. Step 2: Convert to fraction form
    53,871.24/80,843.73 = 18,810.90/x
  3. Step 3: Cross multiply
    53,871.24x = 80,843.73 × 18,810.90
  4. Step 4: Simplify right side
    53,871.24x = 1,520,743,320.66
  5. Step 5: Solve for x
    x = 1,520,743,320.66/53,871.24
  6. Step 6: Final answer
    x = 28,229.22

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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.