Home / 52,801.29-79,205.49-19,520.55

Finding the Fourth Proportional to 52,801.29, 79,205.49 and 19,520.55

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Solution

The fourth proportional to 52,801.29, 79,205.49 and 19,520.55 is: 29,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,801.29 : 79,205.49 = 19,520.55 : x
  2. Step 2: Convert to fraction form
    52,801.29/79,205.49 = 19,520.55/x
  3. Step 3: Cross multiply
    52,801.29x = 79,205.49 × 19,520.55
  4. Step 4: Simplify right side
    52,801.29x = 1,546,134,727.82
  5. Step 5: Solve for x
    x = 1,546,134,727.82/52,801.29
  6. Step 6: Final answer
    x = 29,282.14

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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.