Home / 79,537.22-119,306.77-20,371.31

Finding the Fourth Proportional to 79,537.22, 119,306.77 and 20,371.31

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Solution

The fourth proportional to 79,537.22, 119,306.77 and 20,371.31 is: 30,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,537.22 : 119,306.77 = 20,371.31 : x
  2. Step 2: Convert to fraction form
    79,537.22/119,306.77 = 20,371.31/x
  3. Step 3: Cross multiply
    79,537.22x = 119,306.77 × 20,371.31
  4. Step 4: Simplify right side
    79,537.22x = 2,430,434,549.31
  5. Step 5: Solve for x
    x = 2,430,434,549.31/79,537.22
  6. Step 6: Final answer
    x = 30,557.20

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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.