Home / 50,074.81-69,103.13-29,930.72

Finding the Fourth Proportional to 50,074.81, 69,103.13 and 29,930.72

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Solution

The fourth proportional to 50,074.81, 69,103.13 and 29,930.72 is: 41,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,074.81 : 69,103.13 = 29,930.72 : x
  2. Step 2: Convert to fraction form
    50,074.81/69,103.13 = 29,930.72/x
  3. Step 3: Cross multiply
    50,074.81x = 69,103.13 × 29,930.72
  4. Step 4: Simplify right side
    50,074.81x = 2,068,305,939.98
  5. Step 5: Solve for x
    x = 2,068,305,939.98/50,074.81
  6. Step 6: Final answer
    x = 41,304.32

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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.