Home / 31,794.02-43,879.64-18,365.26

Finding the Fourth Proportional to 31,794.02, 43,879.64 and 18,365.26

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Solution

The fourth proportional to 31,794.02, 43,879.64 and 18,365.26 is: 25,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.02 : 43,879.64 = 18,365.26 : x
  2. Step 2: Convert to fraction form
    31,794.02/43,879.64 = 18,365.26/x
  3. Step 3: Cross multiply
    31,794.02x = 43,879.64 × 18,365.26
  4. Step 4: Simplify right side
    31,794.02x = 805,860,997.31
  5. Step 5: Solve for x
    x = 805,860,997.31/31,794.02
  6. Step 6: Final answer
    x = 25,346.31

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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.