Home / 53,051.82-79,578.65-17,992.38

Finding the Fourth Proportional to 53,051.82, 79,578.65 and 17,992.38

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Solution

The fourth proportional to 53,051.82, 79,578.65 and 17,992.38 is: 26,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,051.82 : 79,578.65 = 17,992.38 : x
  2. Step 2: Convert to fraction form
    53,051.82/79,578.65 = 17,992.38/x
  3. Step 3: Cross multiply
    53,051.82x = 79,578.65 × 17,992.38
  4. Step 4: Simplify right side
    53,051.82x = 1,431,809,220.73
  5. Step 5: Solve for x
    x = 1,431,809,220.73/53,051.82
  6. Step 6: Final answer
    x = 26,988.88

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1.5x scale

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.