Home / 33,231.89-45,848.53-21,301.81

Finding the Fourth Proportional to 33,231.89, 45,848.53 and 21,301.81

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Solution

The fourth proportional to 33,231.89, 45,848.53 and 21,301.81 is: 29,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,231.89 : 45,848.53 = 21,301.81 : x
  2. Step 2: Convert to fraction form
    33,231.89/45,848.53 = 21,301.81/x
  3. Step 3: Cross multiply
    33,231.89x = 45,848.53 × 21,301.81
  4. Step 4: Simplify right side
    33,231.89x = 976,656,674.84
  5. Step 5: Solve for x
    x = 976,656,674.84/33,231.89
  6. Step 6: Final answer
    x = 29,389.14

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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.