Home / 40,768.47-61,146.14-11,179.44

Finding the Fourth Proportional to 40,768.47, 61,146.14 and 11,179.44

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Solution

The fourth proportional to 40,768.47, 61,146.14 and 11,179.44 is: 16,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.47 : 61,146.14 = 11,179.44 : x
  2. Step 2: Convert to fraction form
    40,768.47/61,146.14 = 11,179.44/x
  3. Step 3: Cross multiply
    40,768.47x = 61,146.14 × 11,179.44
  4. Step 4: Simplify right side
    40,768.47x = 683,579,241.73
  5. Step 5: Solve for x
    x = 683,579,241.73/40,768.47
  6. Step 6: Final answer
    x = 16,767.35

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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.