Home / 33,242.44-45,874.20-18,135.28

Finding the Fourth Proportional to 33,242.44, 45,874.20 and 18,135.28

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Solution

The fourth proportional to 33,242.44, 45,874.20 and 18,135.28 is: 25,026.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,242.44 : 45,874.20 = 18,135.28 : x
  2. Step 2: Convert to fraction form
    33,242.44/45,874.20 = 18,135.28/x
  3. Step 3: Cross multiply
    33,242.44x = 45,874.20 × 18,135.28
  4. Step 4: Simplify right side
    33,242.44x = 831,941,461.78
  5. Step 5: Solve for x
    x = 831,941,461.78/33,242.44
  6. Step 6: Final answer
    x = 25,026.49

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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.