Home / 35,811.07-53,716.62-13,619.32

Finding the Fourth Proportional to 35,811.07, 53,716.62 and 13,619.32

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Solution

The fourth proportional to 35,811.07, 53,716.62 and 13,619.32 is: 20,428.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,811.07 : 53,716.62 = 13,619.32 : x
  2. Step 2: Convert to fraction form
    35,811.07/53,716.62 = 13,619.32/x
  3. Step 3: Cross multiply
    35,811.07x = 53,716.62 × 13,619.32
  4. Step 4: Simplify right side
    35,811.07x = 731,583,837.10
  5. Step 5: Solve for x
    x = 731,583,837.10/35,811.07
  6. Step 6: Final answer
    x = 20,428.99

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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.