Home / 47,841.84-71,766-12,785.04

Finding the Fourth Proportional to 47,841.84, 71,766 and 12,785.04

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Solution

The fourth proportional to 47,841.84, 71,766 and 12,785.04 is: 19,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,841.84 : 71,766 = 12,785.04 : x
  2. Step 2: Convert to fraction form
    47,841.84/71,766 = 12,785.04/x
  3. Step 3: Cross multiply
    47,841.84x = 71,766 × 12,785.04
  4. Step 4: Simplify right side
    47,841.84x = 917,531,180.64
  5. Step 5: Solve for x
    x = 917,531,180.64/47,841.84
  6. Step 6: Final answer
    x = 19,178.43

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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.