Home / 31,286.77-46,926.51-12,566.05

Finding the Fourth Proportional to 31,286.77, 46,926.51 and 12,566.05

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Solution

The fourth proportional to 31,286.77, 46,926.51 and 12,566.05 is: 18,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,286.77 : 46,926.51 = 12,566.05 : x
  2. Step 2: Convert to fraction form
    31,286.77/46,926.51 = 12,566.05/x
  3. Step 3: Cross multiply
    31,286.77x = 46,926.51 × 12,566.05
  4. Step 4: Simplify right side
    31,286.77x = 589,680,706.55
  5. Step 5: Solve for x
    x = 589,680,706.55/31,286.77
  6. Step 6: Final answer
    x = 18,847.61

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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.