Home / 40,766.44-61,141.84-12,686.85

Finding the Fourth Proportional to 40,766.44, 61,141.84 and 12,686.85

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Solution

The fourth proportional to 40,766.44, 61,141.84 and 12,686.85 is: 19,027.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,766.44 : 61,141.84 = 12,686.85 : x
  2. Step 2: Convert to fraction form
    40,766.44/61,141.84 = 12,686.85/x
  3. Step 3: Cross multiply
    40,766.44x = 61,141.84 × 12,686.85
  4. Step 4: Simplify right side
    40,766.44x = 775,696,983.66
  5. Step 5: Solve for x
    x = 775,696,983.66/40,766.44
  6. Step 6: Final answer
    x = 19,027.83

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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.