Home / 31,607.46-43,616.61-18,176.58

Finding the Fourth Proportional to 31,607.46, 43,616.61 and 18,176.58

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Solution

The fourth proportional to 31,607.46, 43,616.61 and 18,176.58 is: 25,082.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,607.46 : 43,616.61 = 18,176.58 : x
  2. Step 2: Convert to fraction form
    31,607.46/43,616.61 = 18,176.58/x
  3. Step 3: Cross multiply
    31,607.46x = 43,616.61 × 18,176.58
  4. Step 4: Simplify right side
    31,607.46x = 792,800,800.99
  5. Step 5: Solve for x
    x = 792,800,800.99/31,607.46
  6. Step 6: Final answer
    x = 25,082.71

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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.