Home / 35,358.12-48,795.30-20,249.64

Finding the Fourth Proportional to 35,358.12, 48,795.30 and 20,249.64

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Solution

The fourth proportional to 35,358.12, 48,795.30 and 20,249.64 is: 27,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,358.12 : 48,795.30 = 20,249.64 : x
  2. Step 2: Convert to fraction form
    35,358.12/48,795.30 = 20,249.64/x
  3. Step 3: Cross multiply
    35,358.12x = 48,795.30 × 20,249.64
  4. Step 4: Simplify right side
    35,358.12x = 988,087,258.69
  5. Step 5: Solve for x
    x = 988,087,258.69/35,358.12
  6. Step 6: Final answer
    x = 27,945.13

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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.