Home / 50,057.41-75,042.63-20,456.38

Finding the Fourth Proportional to 50,057.41, 75,042.63 and 20,456.38

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Solution

The fourth proportional to 50,057.41, 75,042.63 and 20,456.38 is: 30,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,057.41 : 75,042.63 = 20,456.38 : x
  2. Step 2: Convert to fraction form
    50,057.41/75,042.63 = 20,456.38/x
  3. Step 3: Cross multiply
    50,057.41x = 75,042.63 × 20,456.38
  4. Step 4: Simplify right side
    50,057.41x = 1,535,100,555.48
  5. Step 5: Solve for x
    x = 1,535,100,555.48/50,057.41
  6. Step 6: Final answer
    x = 30,666.80

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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.