Home / 53,404.83-80,110.89-18,369.09

Finding the Fourth Proportional to 53,404.83, 80,110.89 and 18,369.09

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Solution

The fourth proportional to 53,404.83, 80,110.89 and 18,369.09 is: 27,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,404.83 : 80,110.89 = 18,369.09 : x
  2. Step 2: Convert to fraction form
    53,404.83/80,110.89 = 18,369.09/x
  3. Step 3: Cross multiply
    53,404.83x = 80,110.89 × 18,369.09
  4. Step 4: Simplify right side
    53,404.83x = 1,471,564,148.39
  5. Step 5: Solve for x
    x = 1,471,564,148.39/53,404.83
  6. Step 6: Final answer
    x = 27,554.89

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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.