Home / 36,295.38-54,450.77-12,921.75

Finding the Fourth Proportional to 36,295.38, 54,450.77 and 12,921.75

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Solution

The fourth proportional to 36,295.38, 54,450.77 and 12,921.75 is: 19,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,295.38 : 54,450.77 = 12,921.75 : x
  2. Step 2: Convert to fraction form
    36,295.38/54,450.77 = 12,921.75/x
  3. Step 3: Cross multiply
    36,295.38x = 54,450.77 × 12,921.75
  4. Step 4: Simplify right side
    36,295.38x = 703,599,172.64
  5. Step 5: Solve for x
    x = 703,599,172.64/36,295.38
  6. Step 6: Final answer
    x = 19,385.36

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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.