Home / 31,770.83-47,610.30-17,542.11

Finding the Fourth Proportional to 31,770.83, 47,610.30 and 17,542.11

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Solution

The fourth proportional to 31,770.83, 47,610.30 and 17,542.11 is: 26,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.83 : 47,610.30 = 17,542.11 : x
  2. Step 2: Convert to fraction form
    31,770.83/47,610.30 = 17,542.11/x
  3. Step 3: Cross multiply
    31,770.83x = 47,610.30 × 17,542.11
  4. Step 4: Simplify right side
    31,770.83x = 835,185,119.73
  5. Step 5: Solve for x
    x = 835,185,119.73/31,770.83
  6. Step 6: Final answer
    x = 26,287.80

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1.5x scale

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.