Home / 33,665.88-46,458.89-18,558.78

Finding the Fourth Proportional to 33,665.88, 46,458.89 and 18,558.78

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Solution

The fourth proportional to 33,665.88, 46,458.89 and 18,558.78 is: 25,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,665.88 : 46,458.89 = 18,558.78 : x
  2. Step 2: Convert to fraction form
    33,665.88/46,458.89 = 18,558.78/x
  3. Step 3: Cross multiply
    33,665.88x = 46,458.89 × 18,558.78
  4. Step 4: Simplify right side
    33,665.88x = 862,220,225.76
  5. Step 5: Solve for x
    x = 862,220,225.76/33,665.88
  6. Step 6: Final answer
    x = 25,611.10

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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.