Home / 31,541.14-43,524.78-18,102.94

Finding the Fourth Proportional to 31,541.14, 43,524.78 and 18,102.94

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Solution

The fourth proportional to 31,541.14, 43,524.78 and 18,102.94 is: 24,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.14 : 43,524.78 = 18,102.94 : x
  2. Step 2: Convert to fraction form
    31,541.14/43,524.78 = 18,102.94/x
  3. Step 3: Cross multiply
    31,541.14x = 43,524.78 × 18,102.94
  4. Step 4: Simplify right side
    31,541.14x = 787,926,480.85
  5. Step 5: Solve for x
    x = 787,926,480.85/31,541.14
  6. Step 6: Final answer
    x = 24,980.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.