Home / 31,682.28-43,710.87-18,253.20

Finding the Fourth Proportional to 31,682.28, 43,710.87 and 18,253.20

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Solution

The fourth proportional to 31,682.28, 43,710.87 and 18,253.20 is: 25,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,682.28 : 43,710.87 = 18,253.20 : x
  2. Step 2: Convert to fraction form
    31,682.28/43,710.87 = 18,253.20/x
  3. Step 3: Cross multiply
    31,682.28x = 43,710.87 × 18,253.20
  4. Step 4: Simplify right side
    31,682.28x = 797,863,252.28
  5. Step 5: Solve for x
    x = 797,863,252.28/31,682.28
  6. Step 6: Final answer
    x = 25,183.26

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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.