Home / 33,681.18-50,456.13-20,500.86

Finding the Fourth Proportional to 33,681.18, 50,456.13 and 20,500.86

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Solution

The fourth proportional to 33,681.18, 50,456.13 and 20,500.86 is: 30,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,681.18 : 50,456.13 = 20,500.86 : x
  2. Step 2: Convert to fraction form
    33,681.18/50,456.13 = 20,500.86/x
  3. Step 3: Cross multiply
    33,681.18x = 50,456.13 × 20,500.86
  4. Step 4: Simplify right side
    33,681.18x = 1,034,393,804.99
  5. Step 5: Solve for x
    x = 1,034,393,804.99/33,681.18
  6. Step 6: Final answer
    x = 30,711.33

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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.