Home / 50,447.42-75,660.80-18,851.65

Finding the Fourth Proportional to 50,447.42, 75,660.80 and 18,851.65

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Solution

The fourth proportional to 50,447.42, 75,660.80 and 18,851.65 is: 28,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,447.42 : 75,660.80 = 18,851.65 : x
  2. Step 2: Convert to fraction form
    50,447.42/75,660.80 = 18,851.65/x
  3. Step 3: Cross multiply
    50,447.42x = 75,660.80 × 18,851.65
  4. Step 4: Simplify right side
    50,447.42x = 1,426,331,168.54
  5. Step 5: Solve for x
    x = 1,426,331,168.54/50,447.42
  6. Step 6: Final answer
    x = 28,273.62

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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.