Home / 53,553.80-80,339.62-18,484.04

Finding the Fourth Proportional to 53,553.80, 80,339.62 and 18,484.04

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Solution

The fourth proportional to 53,553.80, 80,339.62 and 18,484.04 is: 27,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,553.80 : 80,339.62 = 18,484.04 : x
  2. Step 2: Convert to fraction form
    53,553.80/80,339.62 = 18,484.04/x
  3. Step 3: Cross multiply
    53,553.80x = 80,339.62 × 18,484.04
  4. Step 4: Simplify right side
    53,553.80x = 1,485,000,749.66
  5. Step 5: Solve for x
    x = 1,485,000,749.66/53,553.80
  6. Step 6: Final answer
    x = 27,729.14

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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.