Home / 49,731.75-74,628.72-20,149.74

Finding the Fourth Proportional to 49,731.75, 74,628.72 and 20,149.74

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Solution

The fourth proportional to 49,731.75, 74,628.72 and 20,149.74 is: 30,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,731.75 : 74,628.72 = 20,149.74 : x
  2. Step 2: Convert to fraction form
    49,731.75/74,628.72 = 20,149.74/x
  3. Step 3: Cross multiply
    49,731.75x = 74,628.72 × 20,149.74
  4. Step 4: Simplify right side
    49,731.75x = 1,503,749,304.53
  5. Step 5: Solve for x
    x = 1,503,749,304.53/49,731.75
  6. Step 6: Final answer
    x = 30,237.21

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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.