Home / 50,817.16-70,120.68-28,150.54

Finding the Fourth Proportional to 50,817.16, 70,120.68 and 28,150.54

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Solution

The fourth proportional to 50,817.16, 70,120.68 and 28,150.54 is: 38,843.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,817.16 : 70,120.68 = 28,150.54 : x
  2. Step 2: Convert to fraction form
    50,817.16/70,120.68 = 28,150.54/x
  3. Step 3: Cross multiply
    50,817.16x = 70,120.68 × 28,150.54
  4. Step 4: Simplify right side
    50,817.16x = 1,973,935,007.17
  5. Step 5: Solve for x
    x = 1,973,935,007.17/50,817.16
  6. Step 6: Final answer
    x = 38,843.87

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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.