Home / 31,429.26-43,374.24-18,004.68

Finding the Fourth Proportional to 31,429.26, 43,374.24 and 18,004.68

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Solution

The fourth proportional to 31,429.26, 43,374.24 and 18,004.68 is: 24,847.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.26 : 43,374.24 = 18,004.68 : x
  2. Step 2: Convert to fraction form
    31,429.26/43,374.24 = 18,004.68/x
  3. Step 3: Cross multiply
    31,429.26x = 43,374.24 × 18,004.68
  4. Step 4: Simplify right side
    31,429.26x = 780,939,311.44
  5. Step 5: Solve for x
    x = 780,939,311.44/31,429.26
  6. Step 6: Final answer
    x = 24,847.52

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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.