Home / 45,439.87-62,759.52-30,306.23

Finding the Fourth Proportional to 45,439.87, 62,759.52 and 30,306.23

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Solution

The fourth proportional to 45,439.87, 62,759.52 and 30,306.23 is: 41,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.87 : 62,759.52 = 30,306.23 : x
  2. Step 2: Convert to fraction form
    45,439.87/62,759.52 = 30,306.23/x
  3. Step 3: Cross multiply
    45,439.87x = 62,759.52 × 30,306.23
  4. Step 4: Simplify right side
    45,439.87x = 1,902,004,447.81
  5. Step 5: Solve for x
    x = 1,902,004,447.81/45,439.87
  6. Step 6: Final answer
    x = 41,857.61

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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.