Home / 53,309.79-79,956.45-18,241.38

Finding the Fourth Proportional to 53,309.79, 79,956.45 and 18,241.38

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Solution

The fourth proportional to 53,309.79, 79,956.45 and 18,241.38 is: 27,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,309.79 : 79,956.45 = 18,241.38 : x
  2. Step 2: Convert to fraction form
    53,309.79/79,956.45 = 18,241.38/x
  3. Step 3: Cross multiply
    53,309.79x = 79,956.45 × 18,241.38
  4. Step 4: Simplify right side
    53,309.79x = 1,458,515,987.90
  5. Step 5: Solve for x
    x = 1,458,515,987.90/53,309.79
  6. Step 6: Final answer
    x = 27,359.25

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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.