Home / 55,905.27-83,866.21-18,469.30

Finding the Fourth Proportional to 55,905.27, 83,866.21 and 18,469.30

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Solution

The fourth proportional to 55,905.27, 83,866.21 and 18,469.30 is: 27,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.27 : 83,866.21 = 18,469.30 : x
  2. Step 2: Convert to fraction form
    55,905.27/83,866.21 = 18,469.30/x
  3. Step 3: Cross multiply
    55,905.27x = 83,866.21 × 18,469.30
  4. Step 4: Simplify right side
    55,905.27x = 1,548,950,145.71
  5. Step 5: Solve for x
    x = 1,548,950,145.71/55,905.27
  6. Step 6: Final answer
    x = 27,706.69

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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.