Home / 48,554.22-72,859.59-20,472.54

Finding the Fourth Proportional to 48,554.22, 72,859.59 and 20,472.54

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Solution

The fourth proportional to 48,554.22, 72,859.59 and 20,472.54 is: 30,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,554.22 : 72,859.59 = 20,472.54 : x
  2. Step 2: Convert to fraction form
    48,554.22/72,859.59 = 20,472.54/x
  3. Step 3: Cross multiply
    48,554.22x = 72,859.59 × 20,472.54
  4. Step 4: Simplify right side
    48,554.22x = 1,491,620,870.66
  5. Step 5: Solve for x
    x = 1,491,620,870.66/48,554.22
  6. Step 6: Final answer
    x = 30,720.73

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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.