Home / 50,145.58-75,228.72-20,562.76

Finding the Fourth Proportional to 50,145.58, 75,228.72 and 20,562.76

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Solution

The fourth proportional to 50,145.58, 75,228.72 and 20,562.76 is: 30,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,145.58 : 75,228.72 = 20,562.76 : x
  2. Step 2: Convert to fraction form
    50,145.58/75,228.72 = 20,562.76/x
  3. Step 3: Cross multiply
    50,145.58x = 75,228.72 × 20,562.76
  4. Step 4: Simplify right side
    50,145.58x = 1,546,910,114.47
  5. Step 5: Solve for x
    x = 1,546,910,114.47/50,145.58
  6. Step 6: Final answer
    x = 30,848.38

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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.