Home / 29,696.05-40,980.55-16,267.78

Finding the Fourth Proportional to 29,696.05, 40,980.55 and 16,267.78

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Solution

The fourth proportional to 29,696.05, 40,980.55 and 16,267.78 is: 22,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,696.05 : 40,980.55 = 16,267.78 : x
  2. Step 2: Convert to fraction form
    29,696.05/40,980.55 = 16,267.78/x
  3. Step 3: Cross multiply
    29,696.05x = 40,980.55 × 16,267.78
  4. Step 4: Simplify right side
    29,696.05x = 666,662,571.68
  5. Step 5: Solve for x
    x = 666,662,571.68/29,696.05
  6. Step 6: Final answer
    x = 22,449.54

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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.