Home / 33,212.16-45,827.28-19,782.96

Finding the Fourth Proportional to 33,212.16, 45,827.28 and 19,782.96

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Solution

The fourth proportional to 33,212.16, 45,827.28 and 19,782.96 is: 27,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,212.16 : 45,827.28 = 19,782.96 : x
  2. Step 2: Convert to fraction form
    33,212.16/45,827.28 = 19,782.96/x
  3. Step 3: Cross multiply
    33,212.16x = 45,827.28 × 19,782.96
  4. Step 4: Simplify right side
    33,212.16x = 906,599,247.15
  5. Step 5: Solve for x
    x = 906,599,247.15/33,212.16
  6. Step 6: Final answer
    x = 27,297.21

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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.