Home / 44,040.80-66,104.40-21,879.20

Finding the Fourth Proportional to 44,040.80, 66,104.40 and 21,879.20

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Solution

The fourth proportional to 44,040.80, 66,104.40 and 21,879.20 is: 32,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,040.80 : 66,104.40 = 21,879.20 : x
  2. Step 2: Convert to fraction form
    44,040.80/66,104.40 = 21,879.20/x
  3. Step 3: Cross multiply
    44,040.80x = 66,104.40 × 21,879.20
  4. Step 4: Simplify right side
    44,040.80x = 1,446,311,388.48
  5. Step 5: Solve for x
    x = 1,446,311,388.48/44,040.80
  6. Step 6: Final answer
    x = 32,840.26

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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.