Home / 49,990.46-68,994.33-28,765.62

Finding the Fourth Proportional to 49,990.46, 68,994.33 and 28,765.62

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Solution

The fourth proportional to 49,990.46, 68,994.33 and 28,765.62 is: 39,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,990.46 : 68,994.33 = 28,765.62 : x
  2. Step 2: Convert to fraction form
    49,990.46/68,994.33 = 28,765.62/x
  3. Step 3: Cross multiply
    49,990.46x = 68,994.33 × 28,765.62
  4. Step 4: Simplify right side
    49,990.46x = 1,984,664,678.93
  5. Step 5: Solve for x
    x = 1,984,664,678.93/49,990.46
  6. Step 6: Final answer
    x = 39,700.87

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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.