Home / 39,134.22-58,698.09-12,840.54

Finding the Fourth Proportional to 39,134.22, 58,698.09 and 12,840.54

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Solution

The fourth proportional to 39,134.22, 58,698.09 and 12,840.54 is: 19,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,134.22 : 58,698.09 = 12,840.54 : x
  2. Step 2: Convert to fraction form
    39,134.22/58,698.09 = 12,840.54/x
  3. Step 3: Cross multiply
    39,134.22x = 58,698.09 × 12,840.54
  4. Step 4: Simplify right side
    39,134.22x = 753,715,172.57
  5. Step 5: Solve for x
    x = 753,715,172.57/39,134.22
  6. Step 6: Final answer
    x = 19,259.75

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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.