Home / 33,215.32-45,837.66-18,311.32

Finding the Fourth Proportional to 33,215.32, 45,837.66 and 18,311.32

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Solution

The fourth proportional to 33,215.32, 45,837.66 and 18,311.32 is: 25,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215.32 : 45,837.66 = 18,311.32 : x
  2. Step 2: Convert to fraction form
    33,215.32/45,837.66 = 18,311.32/x
  3. Step 3: Cross multiply
    33,215.32x = 45,837.66 × 18,311.32
  4. Step 4: Simplify right side
    33,215.32x = 839,348,060.31
  5. Step 5: Solve for x
    x = 839,348,060.31/33,215.32
  6. Step 6: Final answer
    x = 25,269.91

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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.