Home / 50,797.80-70,135.22-31,706.66

Finding the Fourth Proportional to 50,797.80, 70,135.22 and 31,706.66

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Solution

The fourth proportional to 50,797.80, 70,135.22 and 31,706.66 is: 43,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,797.80 : 70,135.22 = 31,706.66 : x
  2. Step 2: Convert to fraction form
    50,797.80/70,135.22 = 31,706.66/x
  3. Step 3: Cross multiply
    50,797.80x = 70,135.22 × 31,706.66
  4. Step 4: Simplify right side
    50,797.80x = 2,223,753,574.57
  5. Step 5: Solve for x
    x = 2,223,753,574.57/50,797.80
  6. Step 6: Final answer
    x = 43,776.57

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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.