Home / 38,917.33-58,384.20-12,620.03

Finding the Fourth Proportional to 38,917.33, 58,384.20 and 12,620.03

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Solution

The fourth proportional to 38,917.33, 58,384.20 and 12,620.03 is: 18,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,917.33 : 58,384.20 = 12,620.03 : x
  2. Step 2: Convert to fraction form
    38,917.33/58,384.20 = 12,620.03/x
  3. Step 3: Cross multiply
    38,917.33x = 58,384.20 × 12,620.03
  4. Step 4: Simplify right side
    38,917.33x = 736,810,000.50
  5. Step 5: Solve for x
    x = 736,810,000.50/38,917.33
  6. Step 6: Final answer
    x = 18,932.70

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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.