Home / 31,391.36-43,322.19-17,244.35

Finding the Fourth Proportional to 31,391.36, 43,322.19 and 17,244.35

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Solution

The fourth proportional to 31,391.36, 43,322.19 and 17,244.35 is: 23,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,391.36 : 43,322.19 = 17,244.35 : x
  2. Step 2: Convert to fraction form
    31,391.36/43,322.19 = 17,244.35/x
  3. Step 3: Cross multiply
    31,391.36x = 43,322.19 × 17,244.35
  4. Step 4: Simplify right side
    31,391.36x = 747,063,007.13
  5. Step 5: Solve for x
    x = 747,063,007.13/31,391.36
  6. Step 6: Final answer
    x = 23,798.36

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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.