Home / 55,310.64-82,966.26-13,757.64

Finding the Fourth Proportional to 55,310.64, 82,966.26 and 13,757.64

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Solution

The fourth proportional to 55,310.64, 82,966.26 and 13,757.64 is: 20,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,310.64 : 82,966.26 = 13,757.64 : x
  2. Step 2: Convert to fraction form
    55,310.64/82,966.26 = 13,757.64/x
  3. Step 3: Cross multiply
    55,310.64x = 82,966.26 × 13,757.64
  4. Step 4: Simplify right side
    55,310.64x = 1,141,419,937.23
  5. Step 5: Solve for x
    x = 1,141,419,937.23/55,310.64
  6. Step 6: Final answer
    x = 20,636.53

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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.