Home / 39,799.04-54,921.48-21,894.03

Finding the Fourth Proportional to 39,799.04, 54,921.48 and 21,894.03

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Solution

The fourth proportional to 39,799.04, 54,921.48 and 21,894.03 is: 30,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,799.04 : 54,921.48 = 21,894.03 : x
  2. Step 2: Convert to fraction form
    39,799.04/54,921.48 = 21,894.03/x
  3. Step 3: Cross multiply
    39,799.04x = 54,921.48 × 21,894.03
  4. Step 4: Simplify right side
    39,799.04x = 1,202,452,530.76
  5. Step 5: Solve for x
    x = 1,202,452,530.76/39,799.04
  6. Step 6: Final answer
    x = 30,213.11

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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.