Home / 36,049.57-54,072.71-12,359.21

Finding the Fourth Proportional to 36,049.57, 54,072.71 and 12,359.21

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Solution

The fourth proportional to 36,049.57, 54,072.71 and 12,359.21 is: 18,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,049.57 : 54,072.71 = 12,359.21 : x
  2. Step 2: Convert to fraction form
    36,049.57/54,072.71 = 12,359.21/x
  3. Step 3: Cross multiply
    36,049.57x = 54,072.71 × 12,359.21
  4. Step 4: Simplify right side
    36,049.57x = 668,295,978.16
  5. Step 5: Solve for x
    x = 668,295,978.16/36,049.57
  6. Step 6: Final answer
    x = 18,538.25

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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.