Home / 73,014.21-109,504.58-20,429.01

Finding the Fourth Proportional to 73,014.21, 109,504.58 and 20,429.01

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Solution

The fourth proportional to 73,014.21, 109,504.58 and 20,429.01 is: 30,638.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,014.21 : 109,504.58 = 20,429.01 : x
  2. Step 2: Convert to fraction form
    73,014.21/109,504.58 = 20,429.01/x
  3. Step 3: Cross multiply
    73,014.21x = 109,504.58 × 20,429.01
  4. Step 4: Simplify right side
    73,014.21x = 2,237,070,057.72
  5. Step 5: Solve for x
    x = 2,237,070,057.72/73,014.21
  6. Step 6: Final answer
    x = 30,638.83

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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.