Home / 31,415.60-43,352.37-17,268.32

Finding the Fourth Proportional to 31,415.60, 43,352.37 and 17,268.32

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Solution

The fourth proportional to 31,415.60, 43,352.37 and 17,268.32 is: 23,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.60 : 43,352.37 = 17,268.32 : x
  2. Step 2: Convert to fraction form
    31,415.60/43,352.37 = 17,268.32/x
  3. Step 3: Cross multiply
    31,415.60x = 43,352.37 × 17,268.32
  4. Step 4: Simplify right side
    31,415.60x = 748,622,597.92
  5. Step 5: Solve for x
    x = 748,622,597.92/31,415.60
  6. Step 6: Final answer
    x = 23,829.65

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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.