Home / 32,131.39-48,193.44-20,321.59

Finding the Fourth Proportional to 32,131.39, 48,193.44 and 20,321.59

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Solution

The fourth proportional to 32,131.39, 48,193.44 and 20,321.59 is: 30,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,131.39 : 48,193.44 = 20,321.59 : x
  2. Step 2: Convert to fraction form
    32,131.39/48,193.44 = 20,321.59/x
  3. Step 3: Cross multiply
    32,131.39x = 48,193.44 × 20,321.59
  4. Step 4: Simplify right side
    32,131.39x = 979,367,328.37
  5. Step 5: Solve for x
    x = 979,367,328.37/32,131.39
  6. Step 6: Final answer
    x = 30,480.08

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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.