Home / 50,006.80-74,909.40-31,229.20

Finding the Fourth Proportional to 50,006.80, 74,909.40 and 31,229.20

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Solution

The fourth proportional to 50,006.80, 74,909.40 and 31,229.20 is: 46,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,006.80 : 74,909.40 = 31,229.20 : x
  2. Step 2: Convert to fraction form
    50,006.80/74,909.40 = 31,229.20/x
  3. Step 3: Cross multiply
    50,006.80x = 74,909.40 × 31,229.20
  4. Step 4: Simplify right side
    50,006.80x = 2,339,360,634.48
  5. Step 5: Solve for x
    x = 2,339,360,634.48/50,006.80
  6. Step 6: Final answer
    x = 46,780.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.