Home / 31,507.64-43,481.66-18,081.62

Finding the Fourth Proportional to 31,507.64, 43,481.66 and 18,081.62

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Solution

The fourth proportional to 31,507.64, 43,481.66 and 18,081.62 is: 24,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.64 : 43,481.66 = 18,081.62 : x
  2. Step 2: Convert to fraction form
    31,507.64/43,481.66 = 18,081.62/x
  3. Step 3: Cross multiply
    31,507.64x = 43,481.66 × 18,081.62
  4. Step 4: Simplify right side
    31,507.64x = 786,218,853.09
  5. Step 5: Solve for x
    x = 786,218,853.09/31,507.64
  6. Step 6: Final answer
    x = 24,953.28

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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.