Home / 33,109.19-45,690.85-18,001.97

Finding the Fourth Proportional to 33,109.19, 45,690.85 and 18,001.97

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Solution

The fourth proportional to 33,109.19, 45,690.85 and 18,001.97 is: 24,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,109.19 : 45,690.85 = 18,001.97 : x
  2. Step 2: Convert to fraction form
    33,109.19/45,690.85 = 18,001.97/x
  3. Step 3: Cross multiply
    33,109.19x = 45,690.85 × 18,001.97
  4. Step 4: Simplify right side
    33,109.19x = 822,525,151.74
  5. Step 5: Solve for x
    x = 822,525,151.74/33,109.19
  6. Step 6: Final answer
    x = 24,842.81

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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.