Home / 30,101.21-41,540.13-16,672.44

Finding the Fourth Proportional to 30,101.21, 41,540.13 and 16,672.44

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Solution

The fourth proportional to 30,101.21, 41,540.13 and 16,672.44 is: 23,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.21 : 41,540.13 = 16,672.44 : x
  2. Step 2: Convert to fraction form
    30,101.21/41,540.13 = 16,672.44/x
  3. Step 3: Cross multiply
    30,101.21x = 41,540.13 × 16,672.44
  4. Step 4: Simplify right side
    30,101.21x = 692,575,325.02
  5. Step 5: Solve for x
    x = 692,575,325.02/30,101.21
  6. Step 6: Final answer
    x = 23,008.22

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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.