Home / 73,002.90-109,504.44-20,412.33

Finding the Fourth Proportional to 73,002.90, 109,504.44 and 20,412.33

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Solution

The fourth proportional to 73,002.90, 109,504.44 and 20,412.33 is: 30,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,002.90 : 109,504.44 = 20,412.33 : x
  2. Step 2: Convert to fraction form
    73,002.90/109,504.44 = 20,412.33/x
  3. Step 3: Cross multiply
    73,002.90x = 109,504.44 × 20,412.33
  4. Step 4: Simplify right side
    73,002.90x = 2,235,240,765.75
  5. Step 5: Solve for x
    x = 2,235,240,765.75/73,002.90
  6. Step 6: Final answer
    x = 30,618.52

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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.