Home / 49,449.81-74,173.92-12,010.20

Finding the Fourth Proportional to 49,449.81, 74,173.92 and 12,010.20

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Solution

The fourth proportional to 49,449.81, 74,173.92 and 12,010.20 is: 18,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,449.81 : 74,173.92 = 12,010.20 : x
  2. Step 2: Convert to fraction form
    49,449.81/74,173.92 = 12,010.20/x
  3. Step 3: Cross multiply
    49,449.81x = 74,173.92 × 12,010.20
  4. Step 4: Simplify right side
    49,449.81x = 890,843,613.98
  5. Step 5: Solve for x
    x = 890,843,613.98/49,449.81
  6. Step 6: Final answer
    x = 18,015.11

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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.