Home / 50,930.55-70,283.79-28,268.76

Finding the Fourth Proportional to 50,930.55, 70,283.79 and 28,268.76

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Solution

The fourth proportional to 50,930.55, 70,283.79 and 28,268.76 is: 39,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,930.55 : 70,283.79 = 28,268.76 : x
  2. Step 2: Convert to fraction form
    50,930.55/70,283.79 = 28,268.76/x
  3. Step 3: Cross multiply
    50,930.55x = 70,283.79 × 28,268.76
  4. Step 4: Simplify right side
    50,930.55x = 1,986,835,591.40
  5. Step 5: Solve for x
    x = 1,986,835,591.40/50,930.55
  6. Step 6: Final answer
    x = 39,010.68

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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.