Home / 44,080.12-66,131.22-20,679.28

Finding the Fourth Proportional to 44,080.12, 66,131.22 and 20,679.28

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Solution

The fourth proportional to 44,080.12, 66,131.22 and 20,679.28 is: 31,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,080.12 : 66,131.22 = 20,679.28 : x
  2. Step 2: Convert to fraction form
    44,080.12/66,131.22 = 20,679.28/x
  3. Step 3: Cross multiply
    44,080.12x = 66,131.22 × 20,679.28
  4. Step 4: Simplify right side
    44,080.12x = 1,367,546,015.12
  5. Step 5: Solve for x
    x = 1,367,546,015.12/44,080.12
  6. Step 6: Final answer
    x = 31,024.10

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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.