Home / 35,331.64-48,755.37-20,224.42

Finding the Fourth Proportional to 35,331.64, 48,755.37 and 20,224.42

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Solution

The fourth proportional to 35,331.64, 48,755.37 and 20,224.42 is: 27,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,331.64 : 48,755.37 = 20,224.42 : x
  2. Step 2: Convert to fraction form
    35,331.64/48,755.37 = 20,224.42/x
  3. Step 3: Cross multiply
    35,331.64x = 48,755.37 × 20,224.42
  4. Step 4: Simplify right side
    35,331.64x = 986,049,080.14
  5. Step 5: Solve for x
    x = 986,049,080.14/35,331.64
  6. Step 6: Final answer
    x = 27,908.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.