Home / 36,821.40-55,232.10-13,464.60

Finding the Fourth Proportional to 36,821.40, 55,232.10 and 13,464.60

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Solution

The fourth proportional to 36,821.40, 55,232.10 and 13,464.60 is: 20,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.40 : 55,232.10 = 13,464.60 : x
  2. Step 2: Convert to fraction form
    36,821.40/55,232.10 = 13,464.60/x
  3. Step 3: Cross multiply
    36,821.40x = 55,232.10 × 13,464.60
  4. Step 4: Simplify right side
    36,821.40x = 743,678,133.66
  5. Step 5: Solve for x
    x = 743,678,133.66/36,821.40
  6. Step 6: Final answer
    x = 20,196.90

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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.