Home / 53,102.22-79,667.00-15,660.78

Finding the Fourth Proportional to 53,102.22, 79,667.00 and 15,660.78

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Solution

The fourth proportional to 53,102.22, 79,667.00 and 15,660.78 is: 23,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,102.22 : 79,667.00 = 15,660.78 : x
  2. Step 2: Convert to fraction form
    53,102.22/79,667.00 = 15,660.78/x
  3. Step 3: Cross multiply
    53,102.22x = 79,667.00 × 15,660.78
  4. Step 4: Simplify right side
    53,102.22x = 1,247,647,281.96
  5. Step 5: Solve for x
    x = 1,247,647,281.96/53,102.22
  6. Step 6: Final answer
    x = 23,495.20

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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.