Home / 53,269.13-79,882.92-19,971.05

Finding the Fourth Proportional to 53,269.13, 79,882.92 and 19,971.05

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Solution

The fourth proportional to 53,269.13, 79,882.92 and 19,971.05 is: 29,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.13 : 79,882.92 = 19,971.05 : x
  2. Step 2: Convert to fraction form
    53,269.13/79,882.92 = 19,971.05/x
  3. Step 3: Cross multiply
    53,269.13x = 79,882.92 × 19,971.05
  4. Step 4: Simplify right side
    53,269.13x = 1,595,345,789.47
  5. Step 5: Solve for x
    x = 1,595,345,789.47/53,269.13
  6. Step 6: Final answer
    x = 29,948.79

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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.