Home / 33,057.51-45,620.38-18,914.91

Finding the Fourth Proportional to 33,057.51, 45,620.38 and 18,914.91

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Solution

The fourth proportional to 33,057.51, 45,620.38 and 18,914.91 is: 26,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,057.51 : 45,620.38 = 18,914.91 : x
  2. Step 2: Convert to fraction form
    33,057.51/45,620.38 = 18,914.91/x
  3. Step 3: Cross multiply
    33,057.51x = 45,620.38 × 18,914.91
  4. Step 4: Simplify right side
    33,057.51x = 862,905,381.87
  5. Step 5: Solve for x
    x = 862,905,381.87/33,057.51
  6. Step 6: Final answer
    x = 26,103.16

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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.