Home / 39,348.96-54,302.28-21,444

Finding the Fourth Proportional to 39,348.96, 54,302.28 and 21,444

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Solution

The fourth proportional to 39,348.96, 54,302.28 and 21,444 is: 29,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348.96 : 54,302.28 = 21,444 : x
  2. Step 2: Convert to fraction form
    39,348.96/54,302.28 = 21,444/x
  3. Step 3: Cross multiply
    39,348.96x = 54,302.28 × 21,444
  4. Step 4: Simplify right side
    39,348.96x = 1,164,458,092.32
  5. Step 5: Solve for x
    x = 1,164,458,092.32/39,348.96
  6. Step 6: Final answer
    x = 29,593.11

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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.