Home / 33,239.82-45,881.18-20,497.01

Finding the Fourth Proportional to 33,239.82, 45,881.18 and 20,497.01

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Solution

The fourth proportional to 33,239.82, 45,881.18 and 20,497.01 is: 28,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.82 : 45,881.18 = 20,497.01 : x
  2. Step 2: Convert to fraction form
    33,239.82/45,881.18 = 20,497.01/x
  3. Step 3: Cross multiply
    33,239.82x = 45,881.18 × 20,497.01
  4. Step 4: Simplify right side
    33,239.82x = 940,426,827.11
  5. Step 5: Solve for x
    x = 940,426,827.11/33,239.82
  6. Step 6: Final answer
    x = 28,292.18

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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.