Home / 50,040.81-75,092.00-20,458.80

Finding the Fourth Proportional to 50,040.81, 75,092.00 and 20,458.80

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Solution

The fourth proportional to 50,040.81, 75,092.00 and 20,458.80 is: 30,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,040.81 : 75,092.00 = 20,458.80 : x
  2. Step 2: Convert to fraction form
    50,040.81/75,092.00 = 20,458.80/x
  3. Step 3: Cross multiply
    50,040.81x = 75,092.00 × 20,458.80
  4. Step 4: Simplify right side
    50,040.81x = 1,536,292,107.31
  5. Step 5: Solve for x
    x = 1,536,292,107.31/50,040.81
  6. Step 6: Final answer
    x = 30,700.78

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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.