Home / 50,120.25-75,151.21-18,957.93

Finding the Fourth Proportional to 50,120.25, 75,151.21 and 18,957.93

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Solution

The fourth proportional to 50,120.25, 75,151.21 and 18,957.93 is: 28,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,120.25 : 75,151.21 = 18,957.93 : x
  2. Step 2: Convert to fraction form
    50,120.25/75,151.21 = 18,957.93/x
  3. Step 3: Cross multiply
    50,120.25x = 75,151.21 × 18,957.93
  4. Step 4: Simplify right side
    50,120.25x = 1,424,711,378.60
  5. Step 5: Solve for x
    x = 1,424,711,378.60/50,120.25
  6. Step 6: Final answer
    x = 28,425.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.