Home / 36,535.80-54,803.70-20,940.60

Finding the Fourth Proportional to 36,535.80, 54,803.70 and 20,940.60

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Solution

The fourth proportional to 36,535.80, 54,803.70 and 20,940.60 is: 31,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,535.80 : 54,803.70 = 20,940.60 : x
  2. Step 2: Convert to fraction form
    36,535.80/54,803.70 = 20,940.60/x
  3. Step 3: Cross multiply
    36,535.80x = 54,803.70 × 20,940.60
  4. Step 4: Simplify right side
    36,535.80x = 1,147,622,360.22
  5. Step 5: Solve for x
    x = 1,147,622,360.22/36,535.80
  6. Step 6: Final answer
    x = 31,410.90

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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.