Home / 35,540.96-53,343.68-18,914.99

Finding the Fourth Proportional to 35,540.96, 53,343.68 and 18,914.99

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Solution

The fourth proportional to 35,540.96, 53,343.68 and 18,914.99 is: 28,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,540.96 : 53,343.68 = 18,914.99 : x
  2. Step 2: Convert to fraction form
    35,540.96/53,343.68 = 18,914.99/x
  3. Step 3: Cross multiply
    35,540.96x = 53,343.68 × 18,914.99
  4. Step 4: Simplify right side
    35,540.96x = 1,008,994,812.47
  5. Step 5: Solve for x
    x = 1,008,994,812.47/35,540.96
  6. Step 6: Final answer
    x = 28,389.64

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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.