Home / 50,338.17-69,439.35-31,211.49

Finding the Fourth Proportional to 50,338.17, 69,439.35 and 31,211.49

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Solution

The fourth proportional to 50,338.17, 69,439.35 and 31,211.49 is: 43,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,338.17 : 69,439.35 = 31,211.49 : x
  2. Step 2: Convert to fraction form
    50,338.17/69,439.35 = 31,211.49/x
  3. Step 3: Cross multiply
    50,338.17x = 69,439.35 × 31,211.49
  4. Step 4: Simplify right side
    50,338.17x = 2,167,305,578.13
  5. Step 5: Solve for x
    x = 2,167,305,578.13/50,338.17
  6. Step 6: Final answer
    x = 43,054.91

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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.