Home / 53,029.82-79,581.24-21,865.07

Finding the Fourth Proportional to 53,029.82, 79,581.24 and 21,865.07

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Solution

The fourth proportional to 53,029.82, 79,581.24 and 21,865.07 is: 32,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,029.82 : 79,581.24 = 21,865.07 : x
  2. Step 2: Convert to fraction form
    53,029.82/79,581.24 = 21,865.07/x
  3. Step 3: Cross multiply
    53,029.82x = 79,581.24 × 21,865.07
  4. Step 4: Simplify right side
    53,029.82x = 1,740,049,383.29
  5. Step 5: Solve for x
    x = 1,740,049,383.29/53,029.82
  6. Step 6: Final answer
    x = 32,812.66

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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.