Home / 53,217.48-79,837.97-15,780.54

Finding the Fourth Proportional to 53,217.48, 79,837.97 and 15,780.54

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Solution

The fourth proportional to 53,217.48, 79,837.97 and 15,780.54 is: 23,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.48 : 79,837.97 = 15,780.54 : x
  2. Step 2: Convert to fraction form
    53,217.48/79,837.97 = 15,780.54/x
  3. Step 3: Cross multiply
    53,217.48x = 79,837.97 × 15,780.54
  4. Step 4: Simplify right side
    53,217.48x = 1,259,886,200.20
  5. Step 5: Solve for x
    x = 1,259,886,200.20/53,217.48
  6. Step 6: Final answer
    x = 23,674.29

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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.