Home / 52,867.62-79,242.03-21,270.33

Finding the Fourth Proportional to 52,867.62, 79,242.03 and 21,270.33

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Solution

The fourth proportional to 52,867.62, 79,242.03 and 21,270.33 is: 31,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,867.62 : 79,242.03 = 21,270.33 : x
  2. Step 2: Convert to fraction form
    52,867.62/79,242.03 = 21,270.33/x
  3. Step 3: Cross multiply
    52,867.62x = 79,242.03 × 21,270.33
  4. Step 4: Simplify right side
    52,867.62x = 1,685,504,127.97
  5. Step 5: Solve for x
    x = 1,685,504,127.97/52,867.62
  6. Step 6: Final answer
    x = 31,881.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.