Home / 50,276.26-69,378.53-28,766.42

Finding the Fourth Proportional to 50,276.26, 69,378.53 and 28,766.42

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Solution

The fourth proportional to 50,276.26, 69,378.53 and 28,766.42 is: 39,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,276.26 : 69,378.53 = 28,766.42 : x
  2. Step 2: Convert to fraction form
    50,276.26/69,378.53 = 28,766.42/x
  3. Step 3: Cross multiply
    50,276.26x = 69,378.53 × 28,766.42
  4. Step 4: Simplify right side
    50,276.26x = 1,995,771,789.13
  5. Step 5: Solve for x
    x = 1,995,771,789.13/50,276.26
  6. Step 6: Final answer
    x = 39,696.11

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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.