Home / 31,269.42-43,151.94-17,122.32

Finding the Fourth Proportional to 31,269.42, 43,151.94 and 17,122.32

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Solution

The fourth proportional to 31,269.42, 43,151.94 and 17,122.32 is: 23,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.42 : 43,151.94 = 17,122.32 : x
  2. Step 2: Convert to fraction form
    31,269.42/43,151.94 = 17,122.32/x
  3. Step 3: Cross multiply
    31,269.42x = 43,151.94 × 17,122.32
  4. Step 4: Simplify right side
    31,269.42x = 738,861,325.30
  5. Step 5: Solve for x
    x = 738,861,325.30/31,269.42
  6. Step 6: Final answer
    x = 23,628.88

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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.