Home / 51,310.80-70,808.85-31,162.32

Finding the Fourth Proportional to 51,310.80, 70,808.85 and 31,162.32

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Solution

The fourth proportional to 51,310.80, 70,808.85 and 31,162.32 is: 43,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.80 : 70,808.85 = 31,162.32 : x
  2. Step 2: Convert to fraction form
    51,310.80/70,808.85 = 31,162.32/x
  3. Step 3: Cross multiply
    51,310.80x = 70,808.85 × 31,162.32
  4. Step 4: Simplify right side
    51,310.80x = 2,206,568,042.53
  5. Step 5: Solve for x
    x = 2,206,568,042.53/51,310.80
  6. Step 6: Final answer
    x = 43,003.97

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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.