Home / 38,745.46-58,112.70-12,446.80

Finding the Fourth Proportional to 38,745.46, 58,112.70 and 12,446.80

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Solution

The fourth proportional to 38,745.46, 58,112.70 and 12,446.80 is: 18,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745.46 : 58,112.70 = 12,446.80 : x
  2. Step 2: Convert to fraction form
    38,745.46/58,112.70 = 12,446.80/x
  3. Step 3: Cross multiply
    38,745.46x = 58,112.70 × 12,446.80
  4. Step 4: Simplify right side
    38,745.46x = 723,317,154.36
  5. Step 5: Solve for x
    x = 723,317,154.36/38,745.46
  6. Step 6: Final answer
    x = 18,668.44

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1.5x scale

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.