Home / 30,160.78-41,622.13-16,732.90

Finding the Fourth Proportional to 30,160.78, 41,622.13 and 16,732.90

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Solution

The fourth proportional to 30,160.78, 41,622.13 and 16,732.90 is: 23,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.78 : 41,622.13 = 16,732.90 : x
  2. Step 2: Convert to fraction form
    30,160.78/41,622.13 = 16,732.90/x
  3. Step 3: Cross multiply
    30,160.78x = 41,622.13 × 16,732.90
  4. Step 4: Simplify right side
    30,160.78x = 696,458,939.08
  5. Step 5: Solve for x
    x = 696,458,939.08/30,160.78
  6. Step 6: Final answer
    x = 23,091.54

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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.