Home / 50,500.09-69,734.97-31,412.57

Finding the Fourth Proportional to 50,500.09, 69,734.97 and 31,412.57

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Solution

The fourth proportional to 50,500.09, 69,734.97 and 31,412.57 is: 43,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,500.09 : 69,734.97 = 31,412.57 : x
  2. Step 2: Convert to fraction form
    50,500.09/69,734.97 = 31,412.57/x
  3. Step 3: Cross multiply
    50,500.09x = 69,734.97 × 31,412.57
  4. Step 4: Simplify right side
    50,500.09x = 2,190,554,800.91
  5. Step 5: Solve for x
    x = 2,190,554,800.91/50,500.09
  6. Step 6: Final answer
    x = 43,377.25

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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.