Home / 50,306.12-69,427.92-31,180.80

Finding the Fourth Proportional to 50,306.12, 69,427.92 and 31,180.80

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Solution

The fourth proportional to 50,306.12, 69,427.92 and 31,180.80 is: 43,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,306.12 : 69,427.92 = 31,180.80 : x
  2. Step 2: Convert to fraction form
    50,306.12/69,427.92 = 31,180.80/x
  3. Step 3: Cross multiply
    50,306.12x = 69,427.92 × 31,180.80
  4. Step 4: Simplify right side
    50,306.12x = 2,164,818,087.94
  5. Step 5: Solve for x
    x = 2,164,818,087.94/50,306.12
  6. Step 6: Final answer
    x = 43,032.90

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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.