Home / 35,523.36-49,025.10-20,418.48

Finding the Fourth Proportional to 35,523.36, 49,025.10 and 20,418.48

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Solution

The fourth proportional to 35,523.36, 49,025.10 and 20,418.48 is: 28,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,523.36 : 49,025.10 = 20,418.48 : x
  2. Step 2: Convert to fraction form
    35,523.36/49,025.10 = 20,418.48/x
  3. Step 3: Cross multiply
    35,523.36x = 49,025.10 × 20,418.48
  4. Step 4: Simplify right side
    35,523.36x = 1,001,018,023.85
  5. Step 5: Solve for x
    x = 1,001,018,023.85/35,523.36
  6. Step 6: Final answer
    x = 28,179.15

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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.