Home / 30,621.24-42,259.68-17,704.44

Finding the Fourth Proportional to 30,621.24, 42,259.68 and 17,704.44

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Solution

The fourth proportional to 30,621.24, 42,259.68 and 17,704.44 is: 24,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.24 : 42,259.68 = 17,704.44 : x
  2. Step 2: Convert to fraction form
    30,621.24/42,259.68 = 17,704.44/x
  3. Step 3: Cross multiply
    30,621.24x = 42,259.68 × 17,704.44
  4. Step 4: Simplify right side
    30,621.24x = 748,183,968.98
  5. Step 5: Solve for x
    x = 748,183,968.98/30,621.24
  6. Step 6: Final answer
    x = 24,433.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.