Home / 31,342.58-43,249.22-18,591.16

Finding the Fourth Proportional to 31,342.58, 43,249.22 and 18,591.16

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Solution

The fourth proportional to 31,342.58, 43,249.22 and 18,591.16 is: 25,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.58 : 43,249.22 = 18,591.16 : x
  2. Step 2: Convert to fraction form
    31,342.58/43,249.22 = 18,591.16/x
  3. Step 3: Cross multiply
    31,342.58x = 43,249.22 × 18,591.16
  4. Step 4: Simplify right side
    31,342.58x = 804,053,168.90
  5. Step 5: Solve for x
    x = 804,053,168.90/31,342.58
  6. Step 6: Final answer
    x = 25,653.70

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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.