Home / 31,269.64-43,121.82-26,489.16

Finding the Fourth Proportional to 31,269.64, 43,121.82 and 26,489.16

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Solution

The fourth proportional to 31,269.64, 43,121.82 and 26,489.16 is: 36,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.64 : 43,121.82 = 26,489.16 : x
  2. Step 2: Convert to fraction form
    31,269.64/43,121.82 = 26,489.16/x
  3. Step 3: Cross multiply
    31,269.64x = 43,121.82 × 26,489.16
  4. Step 4: Simplify right side
    31,269.64x = 1,142,260,789.47
  5. Step 5: Solve for x
    x = 1,142,260,789.47/31,269.64
  6. Step 6: Final answer
    x = 36,529.39

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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.