Home / 31,469.64-43,427.34-17,322.36

Finding the Fourth Proportional to 31,469.64, 43,427.34 and 17,322.36

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Solution

The fourth proportional to 31,469.64, 43,427.34 and 17,322.36 is: 23,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.64 : 43,427.34 = 17,322.36 : x
  2. Step 2: Convert to fraction form
    31,469.64/43,427.34 = 17,322.36/x
  3. Step 3: Cross multiply
    31,469.64x = 43,427.34 × 17,322.36
  4. Step 4: Simplify right side
    31,469.64x = 752,264,017.32
  5. Step 5: Solve for x
    x = 752,264,017.32/31,469.64
  6. Step 6: Final answer
    x = 23,904.44

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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.