Home / 50,930.60-70,282.12-28,270.56

Finding the Fourth Proportional to 50,930.60, 70,282.12 and 28,270.56

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Solution

The fourth proportional to 50,930.60, 70,282.12 and 28,270.56 is: 39,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,930.60 : 70,282.12 = 28,270.56 : x
  2. Step 2: Convert to fraction form
    50,930.60/70,282.12 = 28,270.56/x
  3. Step 3: Cross multiply
    50,930.60x = 70,282.12 × 28,270.56
  4. Step 4: Simplify right side
    50,930.60x = 1,986,914,890.39
  5. Step 5: Solve for x
    x = 1,986,914,890.39/50,930.60
  6. Step 6: Final answer
    x = 39,012.20

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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.