Home / 33,135.17-45,723.13-19,703.84

Finding the Fourth Proportional to 33,135.17, 45,723.13 and 19,703.84

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Solution

The fourth proportional to 33,135.17, 45,723.13 and 19,703.84 is: 27,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.17 : 45,723.13 = 19,703.84 : x
  2. Step 2: Convert to fraction form
    33,135.17/45,723.13 = 19,703.84/x
  3. Step 3: Cross multiply
    33,135.17x = 45,723.13 × 19,703.84
  4. Step 4: Simplify right side
    33,135.17x = 900,920,959.94
  5. Step 5: Solve for x
    x = 900,920,959.94/33,135.17
  6. Step 6: Final answer
    x = 27,189.27

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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.