Home / 53,053.82-79,581.65-17,994.38

Finding the Fourth Proportional to 53,053.82, 79,581.65 and 17,994.38

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Solution

The fourth proportional to 53,053.82, 79,581.65 and 17,994.38 is: 26,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,053.82 : 79,581.65 = 17,994.38 : x
  2. Step 2: Convert to fraction form
    53,053.82/79,581.65 = 17,994.38/x
  3. Step 3: Cross multiply
    53,053.82x = 79,581.65 × 17,994.38
  4. Step 4: Simplify right side
    53,053.82x = 1,432,022,451.13
  5. Step 5: Solve for x
    x = 1,432,022,451.13/53,053.82
  6. Step 6: Final answer
    x = 26,991.88

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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.