Home / 53,209.20-79,821.54-15,764.42

Finding the Fourth Proportional to 53,209.20, 79,821.54 and 15,764.42

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Solution

The fourth proportional to 53,209.20, 79,821.54 and 15,764.42 is: 23,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,209.20 : 79,821.54 = 15,764.42 : x
  2. Step 2: Convert to fraction form
    53,209.20/79,821.54 = 15,764.42/x
  3. Step 3: Cross multiply
    53,209.20x = 79,821.54 × 15,764.42
  4. Step 4: Simplify right side
    53,209.20x = 1,258,339,882.50
  5. Step 5: Solve for x
    x = 1,258,339,882.50/53,209.20
  6. Step 6: Final answer
    x = 23,648.92

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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.