Home / 50,143.90-69,195.60-28,636.18

Finding the Fourth Proportional to 50,143.90, 69,195.60 and 28,636.18

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Solution

The fourth proportional to 50,143.90, 69,195.60 and 28,636.18 is: 39,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,143.90 : 69,195.60 = 28,636.18 : x
  2. Step 2: Convert to fraction form
    50,143.90/69,195.60 = 28,636.18/x
  3. Step 3: Cross multiply
    50,143.90x = 69,195.60 × 28,636.18
  4. Step 4: Simplify right side
    50,143.90x = 1,981,497,656.81
  5. Step 5: Solve for x
    x = 1,981,497,656.81/50,143.90
  6. Step 6: Final answer
    x = 39,516.23

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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.