Home / 50,919.57-76,379.22-28,722.87

Finding the Fourth Proportional to 50,919.57, 76,379.22 and 28,722.87

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Solution

The fourth proportional to 50,919.57, 76,379.22 and 28,722.87 is: 43,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,919.57 : 76,379.22 = 28,722.87 : x
  2. Step 2: Convert to fraction form
    50,919.57/76,379.22 = 28,722.87/x
  3. Step 3: Cross multiply
    50,919.57x = 76,379.22 × 28,722.87
  4. Step 4: Simplify right side
    50,919.57x = 2,193,830,406.76
  5. Step 5: Solve for x
    x = 2,193,830,406.76/50,919.57
  6. Step 6: Final answer
    x = 43,084.23

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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.