Home / 31,234.20-43,101.36-17,086.20

Finding the Fourth Proportional to 31,234.20, 43,101.36 and 17,086.20

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Solution

The fourth proportional to 31,234.20, 43,101.36 and 17,086.20 is: 23,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.20 : 43,101.36 = 17,086.20 : x
  2. Step 2: Convert to fraction form
    31,234.20/43,101.36 = 17,086.20/x
  3. Step 3: Cross multiply
    31,234.20x = 43,101.36 × 17,086.20
  4. Step 4: Simplify right side
    31,234.20x = 736,438,457.23
  5. Step 5: Solve for x
    x = 736,438,457.23/31,234.20
  6. Step 6: Final answer
    x = 23,577.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.