Home / 53,933.21-80,936.27-18,873.17

Finding the Fourth Proportional to 53,933.21, 80,936.27 and 18,873.17

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Solution

The fourth proportional to 53,933.21, 80,936.27 and 18,873.17 is: 28,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,933.21 : 80,936.27 = 18,873.17 : x
  2. Step 2: Convert to fraction form
    53,933.21/80,936.27 = 18,873.17/x
  3. Step 3: Cross multiply
    53,933.21x = 80,936.27 × 18,873.17
  4. Step 4: Simplify right side
    53,933.21x = 1,527,523,888.51
  5. Step 5: Solve for x
    x = 1,527,523,888.51/53,933.21
  6. Step 6: Final answer
    x = 28,322.51

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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.