Home / 50,687.30-76,099.91-28,516.29

Finding the Fourth Proportional to 50,687.30, 76,099.91 and 28,516.29

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Solution

The fourth proportional to 50,687.30, 76,099.91 and 28,516.29 is: 42,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,687.30 : 76,099.91 = 28,516.29 : x
  2. Step 2: Convert to fraction form
    50,687.30/76,099.91 = 28,516.29/x
  3. Step 3: Cross multiply
    50,687.30x = 76,099.91 × 28,516.29
  4. Step 4: Simplify right side
    50,687.30x = 2,170,086,959.95
  5. Step 5: Solve for x
    x = 2,170,086,959.95/50,687.30
  6. Step 6: Final answer
    x = 42,813.23

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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.