Home / 50,481.02-75,729.90-18,902.23

Finding the Fourth Proportional to 50,481.02, 75,729.90 and 18,902.23

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Solution

The fourth proportional to 50,481.02, 75,729.90 and 18,902.23 is: 28,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,481.02 : 75,729.90 = 18,902.23 : x
  2. Step 2: Convert to fraction form
    50,481.02/75,729.90 = 18,902.23/x
  3. Step 3: Cross multiply
    50,481.02x = 75,729.90 × 18,902.23
  4. Step 4: Simplify right side
    50,481.02x = 1,431,463,869.24
  5. Step 5: Solve for x
    x = 1,431,463,869.24/50,481.02
  6. Step 6: Final answer
    x = 28,356.48

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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.