Home / 50,030.73-75,046.19-20,448.54

Finding the Fourth Proportional to 50,030.73, 75,046.19 and 20,448.54

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Solution

The fourth proportional to 50,030.73, 75,046.19 and 20,448.54 is: 30,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,030.73 : 75,046.19 = 20,448.54 : x
  2. Step 2: Convert to fraction form
    50,030.73/75,046.19 = 20,448.54/x
  3. Step 3: Cross multiply
    50,030.73x = 75,046.19 × 20,448.54
  4. Step 4: Simplify right side
    50,030.73x = 1,534,584,915.82
  5. Step 5: Solve for x
    x = 1,534,584,915.82/50,030.73
  6. Step 6: Final answer
    x = 30,672.85

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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.