Home / 38,914.83-58,371.44-12,619.60

Finding the Fourth Proportional to 38,914.83, 58,371.44 and 12,619.60

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Solution

The fourth proportional to 38,914.83, 58,371.44 and 12,619.60 is: 18,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,914.83 : 58,371.44 = 12,619.60 : x
  2. Step 2: Convert to fraction form
    38,914.83/58,371.44 = 12,619.60/x
  3. Step 3: Cross multiply
    38,914.83x = 58,371.44 × 12,619.60
  4. Step 4: Simplify right side
    38,914.83x = 736,624,015.20
  5. Step 5: Solve for x
    x = 736,624,015.20/38,914.83
  6. Step 6: Final answer
    x = 18,929.13

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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.