Home / 50,013.54-75,034.89-20,425.86

Finding the Fourth Proportional to 50,013.54, 75,034.89 and 20,425.86

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Solution

The fourth proportional to 50,013.54, 75,034.89 and 20,425.86 is: 30,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,013.54 : 75,034.89 = 20,425.86 : x
  2. Step 2: Convert to fraction form
    50,013.54/75,034.89 = 20,425.86/x
  3. Step 3: Cross multiply
    50,013.54x = 75,034.89 × 20,425.86
  4. Step 4: Simplify right side
    50,013.54x = 1,532,652,158.26
  5. Step 5: Solve for x
    x = 1,532,652,158.26/50,013.54
  6. Step 6: Final answer
    x = 30,644.74

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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.