Home / 40,767.97-61,145.39-11,178.94

Finding the Fourth Proportional to 40,767.97, 61,145.39 and 11,178.94

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Solution

The fourth proportional to 40,767.97, 61,145.39 and 11,178.94 is: 16,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,767.97 : 61,145.39 = 11,178.94 : x
  2. Step 2: Convert to fraction form
    40,767.97/61,145.39 = 11,178.94/x
  3. Step 3: Cross multiply
    40,767.97x = 61,145.39 × 11,178.94
  4. Step 4: Simplify right side
    40,767.97x = 683,540,312.41
  5. Step 5: Solve for x
    x = 683,540,312.41/40,767.97
  6. Step 6: Final answer
    x = 16,766.60

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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.