Home / 33,182.16-45,749.88-21,225.84

Finding the Fourth Proportional to 33,182.16, 45,749.88 and 21,225.84

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Solution

The fourth proportional to 33,182.16, 45,749.88 and 21,225.84 is: 29,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,182.16 : 45,749.88 = 21,225.84 : x
  2. Step 2: Convert to fraction form
    33,182.16/45,749.88 = 21,225.84/x
  3. Step 3: Cross multiply
    33,182.16x = 45,749.88 × 21,225.84
  4. Step 4: Simplify right side
    33,182.16x = 971,079,632.90
  5. Step 5: Solve for x
    x = 971,079,632.90/33,182.16
  6. Step 6: Final answer
    x = 29,265.11

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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.