Home / 51,621.12-71,245.44-29,272.32

Finding the Fourth Proportional to 51,621.12, 71,245.44 and 29,272.32

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Solution

The fourth proportional to 51,621.12, 71,245.44 and 29,272.32 is: 40,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,621.12 : 71,245.44 = 29,272.32 : x
  2. Step 2: Convert to fraction form
    51,621.12/71,245.44 = 29,272.32/x
  3. Step 3: Cross multiply
    51,621.12x = 71,245.44 × 29,272.32
  4. Step 4: Simplify right side
    51,621.12x = 2,085,519,318.22
  5. Step 5: Solve for x
    x = 2,085,519,318.22/51,621.12
  6. Step 6: Final answer
    x = 40,400.51

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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.