Home / 53,135.52-79,711.92-18,071.52

Finding the Fourth Proportional to 53,135.52, 79,711.92 and 18,071.52

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Solution

The fourth proportional to 53,135.52, 79,711.92 and 18,071.52 is: 27,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,135.52 : 79,711.92 = 18,071.52 : x
  2. Step 2: Convert to fraction form
    53,135.52/79,711.92 = 18,071.52/x
  3. Step 3: Cross multiply
    53,135.52x = 79,711.92 × 18,071.52
  4. Step 4: Simplify right side
    53,135.52x = 1,440,515,556.52
  5. Step 5: Solve for x
    x = 1,440,515,556.52/53,135.52
  6. Step 6: Final answer
    x = 27,110.22

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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.