Home / 53,506.52-80,265.09-19,781.38

Finding the Fourth Proportional to 53,506.52, 80,265.09 and 19,781.38

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Solution

The fourth proportional to 53,506.52, 80,265.09 and 19,781.38 is: 29,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,506.52 : 80,265.09 = 19,781.38 : x
  2. Step 2: Convert to fraction form
    53,506.52/80,265.09 = 19,781.38/x
  3. Step 3: Cross multiply
    53,506.52x = 80,265.09 × 19,781.38
  4. Step 4: Simplify right side
    53,506.52x = 1,587,753,745.79
  5. Step 5: Solve for x
    x = 1,587,753,745.79/53,506.52
  6. Step 6: Final answer
    x = 29,674.02

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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.