Home / 50,708.28-75,964.68-28,453.80

Finding the Fourth Proportional to 50,708.28, 75,964.68 and 28,453.80

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Solution

The fourth proportional to 50,708.28, 75,964.68 and 28,453.80 is: 42,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,708.28 : 75,964.68 = 28,453.80 : x
  2. Step 2: Convert to fraction form
    50,708.28/75,964.68 = 28,453.80/x
  3. Step 3: Cross multiply
    50,708.28x = 75,964.68 × 28,453.80
  4. Step 4: Simplify right side
    50,708.28x = 2,161,483,811.78
  5. Step 5: Solve for x
    x = 2,161,483,811.78/50,708.28
  6. Step 6: Final answer
    x = 42,625.86

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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.