Home / 31,989.21-44,144.09-17,649.03

Finding the Fourth Proportional to 31,989.21, 44,144.09 and 17,649.03

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Solution

The fourth proportional to 31,989.21, 44,144.09 and 17,649.03 is: 24,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.21 : 44,144.09 = 17,649.03 : x
  2. Step 2: Convert to fraction form
    31,989.21/44,144.09 = 17,649.03/x
  3. Step 3: Cross multiply
    31,989.21x = 44,144.09 × 17,649.03
  4. Step 4: Simplify right side
    31,989.21x = 779,100,280.49
  5. Step 5: Solve for x
    x = 779,100,280.49/31,989.21
  6. Step 6: Final answer
    x = 24,355.10

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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.