Home / 55,318.14-82,977.51-13,765.14

Finding the Fourth Proportional to 55,318.14, 82,977.51 and 13,765.14

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Solution

The fourth proportional to 55,318.14, 82,977.51 and 13,765.14 is: 20,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,318.14 : 82,977.51 = 13,765.14 : x
  2. Step 2: Convert to fraction form
    55,318.14/82,977.51 = 13,765.14/x
  3. Step 3: Cross multiply
    55,318.14x = 82,977.51 × 13,765.14
  4. Step 4: Simplify right side
    55,318.14x = 1,142,197,042.00
  5. Step 5: Solve for x
    x = 1,142,197,042.00/55,318.14
  6. Step 6: Final answer
    x = 20,647.78

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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.