Home / 38,764.60-58,146.88-12,469.33

Finding the Fourth Proportional to 38,764.60, 58,146.88 and 12,469.33

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Solution

The fourth proportional to 38,764.60, 58,146.88 and 12,469.33 is: 18,703.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,764.60 : 58,146.88 = 12,469.33 : x
  2. Step 2: Convert to fraction form
    38,764.60/58,146.88 = 12,469.33/x
  3. Step 3: Cross multiply
    38,764.60x = 58,146.88 × 12,469.33
  4. Step 4: Simplify right side
    38,764.60x = 725,052,635.19
  5. Step 5: Solve for x
    x = 725,052,635.19/38,764.60
  6. Step 6: Final answer
    x = 18,703.99

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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.