Home / 31,191.86-43,072.08-22,741.94

Finding the Fourth Proportional to 31,191.86, 43,072.08 and 22,741.94

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Solution

The fourth proportional to 31,191.86, 43,072.08 and 22,741.94 is: 31,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.86 : 43,072.08 = 22,741.94 : x
  2. Step 2: Convert to fraction form
    31,191.86/43,072.08 = 22,741.94/x
  3. Step 3: Cross multiply
    31,191.86x = 43,072.08 × 22,741.94
  4. Step 4: Simplify right side
    31,191.86x = 979,542,659.04
  5. Step 5: Solve for x
    x = 979,542,659.04/31,191.86
  6. Step 6: Final answer
    x = 31,403.79

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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.