Home / 47,268.22-70,896.84-12,205.12

Finding the Fourth Proportional to 47,268.22, 70,896.84 and 12,205.12

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Solution

The fourth proportional to 47,268.22, 70,896.84 and 12,205.12 is: 18,306.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,268.22 : 70,896.84 = 12,205.12 : x
  2. Step 2: Convert to fraction form
    47,268.22/70,896.84 = 12,205.12/x
  3. Step 3: Cross multiply
    47,268.22x = 70,896.84 × 12,205.12
  4. Step 4: Simplify right side
    47,268.22x = 865,304,439.82
  5. Step 5: Solve for x
    x = 865,304,439.82/47,268.22
  6. Step 6: Final answer
    x = 18,306.26

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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.