Home / 70,282.81-105,350.77-30,806.65

Finding the Fourth Proportional to 70,282.81, 105,350.77 and 30,806.65

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Solution

The fourth proportional to 70,282.81, 105,350.77 and 30,806.65 is: 46,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,282.81 : 105,350.77 = 30,806.65 : x
  2. Step 2: Convert to fraction form
    70,282.81/105,350.77 = 30,806.65/x
  3. Step 3: Cross multiply
    70,282.81x = 105,350.77 × 30,806.65
  4. Step 4: Simplify right side
    70,282.81x = 3,245,504,298.62
  5. Step 5: Solve for x
    x = 3,245,504,298.62/70,282.81
  6. Step 6: Final answer
    x = 46,177.78

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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.