Home / 55,611.06-76,744.26-30,458.94

Finding the Fourth Proportional to 55,611.06, 76,744.26 and 30,458.94

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Solution

The fourth proportional to 55,611.06, 76,744.26 and 30,458.94 is: 42,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,611.06 : 76,744.26 = 30,458.94 : x
  2. Step 2: Convert to fraction form
    55,611.06/76,744.26 = 30,458.94/x
  3. Step 3: Cross multiply
    55,611.06x = 76,744.26 × 30,458.94
  4. Step 4: Simplify right side
    55,611.06x = 2,337,548,810.68
  5. Step 5: Solve for x
    x = 2,337,548,810.68/55,611.06
  6. Step 6: Final answer
    x = 42,033.88

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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.