Home / 55,097.12-82,647.24-13,544

Finding the Fourth Proportional to 55,097.12, 82,647.24 and 13,544

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Solution

The fourth proportional to 55,097.12, 82,647.24 and 13,544 is: 20,316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,097.12 : 82,647.24 = 13,544 : x
  2. Step 2: Convert to fraction form
    55,097.12/82,647.24 = 13,544/x
  3. Step 3: Cross multiply
    55,097.12x = 82,647.24 × 13,544
  4. Step 4: Simplify right side
    55,097.12x = 1,119,374,218.56
  5. Step 5: Solve for x
    x = 1,119,374,218.56/55,097.12
  6. Step 6: Final answer
    x = 20,316.38

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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.