Home / 50,437.18-75,610.62-20,836.12

Finding the Fourth Proportional to 50,437.18, 75,610.62 and 20,836.12

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Solution

The fourth proportional to 50,437.18, 75,610.62 and 20,836.12 is: 31,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,437.18 : 75,610.62 = 20,836.12 : x
  2. Step 2: Convert to fraction form
    50,437.18/75,610.62 = 20,836.12/x
  3. Step 3: Cross multiply
    50,437.18x = 75,610.62 × 20,836.12
  4. Step 4: Simplify right side
    50,437.18x = 1,575,431,951.59
  5. Step 5: Solve for x
    x = 1,575,431,951.59/50,437.18
  6. Step 6: Final answer
    x = 31,235.53

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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.