Home / 35,142.44-48,499.20-20,035.46

Finding the Fourth Proportional to 35,142.44, 48,499.20 and 20,035.46

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Solution

The fourth proportional to 35,142.44, 48,499.20 and 20,035.46 is: 27,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,142.44 : 48,499.20 = 20,035.46 : x
  2. Step 2: Convert to fraction form
    35,142.44/48,499.20 = 20,035.46/x
  3. Step 3: Cross multiply
    35,142.44x = 48,499.20 × 20,035.46
  4. Step 4: Simplify right side
    35,142.44x = 971,703,781.63
  5. Step 5: Solve for x
    x = 971,703,781.63/35,142.44
  6. Step 6: Final answer
    x = 27,650.44

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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.