Home / 38,620.90-57,940.60-16,119.07

Finding the Fourth Proportional to 38,620.90, 57,940.60 and 16,119.07

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Solution

The fourth proportional to 38,620.90, 57,940.60 and 16,119.07 is: 24,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.90 : 57,940.60 = 16,119.07 : x
  2. Step 2: Convert to fraction form
    38,620.90/57,940.60 = 16,119.07/x
  3. Step 3: Cross multiply
    38,620.90x = 57,940.60 × 16,119.07
  4. Step 4: Simplify right side
    38,620.90x = 933,948,297.54
  5. Step 5: Solve for x
    x = 933,948,297.54/38,620.90
  6. Step 6: Final answer
    x = 24,182.46

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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.