Home / 49,446.81-74,169.42-12,007.20

Finding the Fourth Proportional to 49,446.81, 74,169.42 and 12,007.20

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Solution

The fourth proportional to 49,446.81, 74,169.42 and 12,007.20 is: 18,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,446.81 : 74,169.42 = 12,007.20 : x
  2. Step 2: Convert to fraction form
    49,446.81/74,169.42 = 12,007.20/x
  3. Step 3: Cross multiply
    49,446.81x = 74,169.42 × 12,007.20
  4. Step 4: Simplify right side
    49,446.81x = 890,567,059.82
  5. Step 5: Solve for x
    x = 890,567,059.82/49,446.81
  6. Step 6: Final answer
    x = 18,010.61

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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.