Home / 35,231.32-48,620.73-21,081.43

Finding the Fourth Proportional to 35,231.32, 48,620.73 and 21,081.43

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Solution

The fourth proportional to 35,231.32, 48,620.73 and 21,081.43 is: 29,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,231.32 : 48,620.73 = 21,081.43 : x
  2. Step 2: Convert to fraction form
    35,231.32/48,620.73 = 21,081.43/x
  3. Step 3: Cross multiply
    35,231.32x = 48,620.73 × 21,081.43
  4. Step 4: Simplify right side
    35,231.32x = 1,024,994,516.04
  5. Step 5: Solve for x
    x = 1,024,994,516.04/35,231.32
  6. Step 6: Final answer
    x = 29,093.28

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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.