Home / 35,469.12-48,947.38-20,362.75

Finding the Fourth Proportional to 35,469.12, 48,947.38 and 20,362.75

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Solution

The fourth proportional to 35,469.12, 48,947.38 and 20,362.75 is: 28,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,469.12 : 48,947.38 = 20,362.75 : x
  2. Step 2: Convert to fraction form
    35,469.12/48,947.38 = 20,362.75/x
  3. Step 3: Cross multiply
    35,469.12x = 48,947.38 × 20,362.75
  4. Step 4: Simplify right side
    35,469.12x = 996,703,364.15
  5. Step 5: Solve for x
    x = 996,703,364.15/35,469.12
  6. Step 6: Final answer
    x = 28,100.60

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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.