Home / 35,219.80-48,608.30-21,795.37

Finding the Fourth Proportional to 35,219.80, 48,608.30 and 21,795.37

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Solution

The fourth proportional to 35,219.80, 48,608.30 and 21,795.37 is: 30,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,219.80 : 48,608.30 = 21,795.37 : x
  2. Step 2: Convert to fraction form
    35,219.80/48,608.30 = 21,795.37/x
  3. Step 3: Cross multiply
    35,219.80x = 48,608.30 × 21,795.37
  4. Step 4: Simplify right side
    35,219.80x = 1,059,436,028.66
  5. Step 5: Solve for x
    x = 1,059,436,028.66/35,219.80
  6. Step 6: Final answer
    x = 30,080.70

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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.