Home / 55,154.29-82,704.11-19,610.28

Finding the Fourth Proportional to 55,154.29, 82,704.11 and 19,610.28

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Solution

The fourth proportional to 55,154.29, 82,704.11 and 19,610.28 is: 29,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,154.29 : 82,704.11 = 19,610.28 : x
  2. Step 2: Convert to fraction form
    55,154.29/82,704.11 = 19,610.28/x
  3. Step 3: Cross multiply
    55,154.29x = 82,704.11 × 19,610.28
  4. Step 4: Simplify right side
    55,154.29x = 1,621,850,754.25
  5. Step 5: Solve for x
    x = 1,621,850,754.25/55,154.29
  6. Step 6: Final answer
    x = 29,405.70

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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.