Home / 35,815.82-53,723.74-13,624.08

Finding the Fourth Proportional to 35,815.82, 53,723.74 and 13,624.08

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Solution

The fourth proportional to 35,815.82, 53,723.74 and 13,624.08 is: 20,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.82 : 53,723.74 = 13,624.08 : x
  2. Step 2: Convert to fraction form
    35,815.82/53,723.74 = 13,624.08/x
  3. Step 3: Cross multiply
    35,815.82x = 53,723.74 × 13,624.08
  4. Step 4: Simplify right side
    35,815.82x = 731,936,531.66
  5. Step 5: Solve for x
    x = 731,936,531.66/35,815.82
  6. Step 6: Final answer
    x = 20,436.12

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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.