Home / 35,247.96-48,642.50-20,142.60

Finding the Fourth Proportional to 35,247.96, 48,642.50 and 20,142.60

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Solution

The fourth proportional to 35,247.96, 48,642.50 and 20,142.60 is: 27,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,247.96 : 48,642.50 = 20,142.60 : x
  2. Step 2: Convert to fraction form
    35,247.96/48,642.50 = 20,142.60/x
  3. Step 3: Cross multiply
    35,247.96x = 48,642.50 × 20,142.60
  4. Step 4: Simplify right side
    35,247.96x = 979,786,420.50
  5. Step 5: Solve for x
    x = 979,786,420.50/35,247.96
  6. Step 6: Final answer
    x = 27,796.97

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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.