Home / 55,942.98-77,202.84-30,449.58

Finding the Fourth Proportional to 55,942.98, 77,202.84 and 30,449.58

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Solution

The fourth proportional to 55,942.98, 77,202.84 and 30,449.58 is: 42,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,942.98 : 77,202.84 = 30,449.58 : x
  2. Step 2: Convert to fraction form
    55,942.98/77,202.84 = 30,449.58/x
  3. Step 3: Cross multiply
    55,942.98x = 77,202.84 × 30,449.58
  4. Step 4: Simplify right side
    55,942.98x = 2,350,794,052.81
  5. Step 5: Solve for x
    x = 2,350,794,052.81/55,942.98
  6. Step 6: Final answer
    x = 42,021.25

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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.