Home / 35,318.24-48,742.60-20,213.06

Finding the Fourth Proportional to 35,318.24, 48,742.60 and 20,213.06

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Solution

The fourth proportional to 35,318.24, 48,742.60 and 20,213.06 is: 27,895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.24 : 48,742.60 = 20,213.06 : x
  2. Step 2: Convert to fraction form
    35,318.24/48,742.60 = 20,213.06/x
  3. Step 3: Cross multiply
    35,318.24x = 48,742.60 × 20,213.06
  4. Step 4: Simplify right side
    35,318.24x = 985,237,098.36
  5. Step 5: Solve for x
    x = 985,237,098.36/35,318.24
  6. Step 6: Final answer
    x = 27,895.99

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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.