Home / 36,982.84-51,039.89-21,880.36

Finding the Fourth Proportional to 36,982.84, 51,039.89 and 21,880.36

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Solution

The fourth proportional to 36,982.84, 51,039.89 and 21,880.36 is: 30,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,982.84 : 51,039.89 = 21,880.36 : x
  2. Step 2: Convert to fraction form
    36,982.84/51,039.89 = 21,880.36/x
  3. Step 3: Cross multiply
    36,982.84x = 51,039.89 × 21,880.36
  4. Step 4: Simplify right side
    36,982.84x = 1,116,771,167.56
  5. Step 5: Solve for x
    x = 1,116,771,167.56/36,982.84
  6. Step 6: Final answer
    x = 30,197.01

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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.