Home / 53,282.82-79,901.46-19,979.82

Finding the Fourth Proportional to 53,282.82, 79,901.46 and 19,979.82

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Solution

The fourth proportional to 53,282.82, 79,901.46 and 19,979.82 is: 29,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,282.82 : 79,901.46 = 19,979.82 : x
  2. Step 2: Convert to fraction form
    53,282.82/79,901.46 = 19,979.82/x
  3. Step 3: Cross multiply
    53,282.82x = 79,901.46 × 19,979.82
  4. Step 4: Simplify right side
    53,282.82x = 1,596,416,788.54
  5. Step 5: Solve for x
    x = 1,596,416,788.54/53,282.82
  6. Step 6: Final answer
    x = 29,961.19

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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.