Home / 31,745.41-43,797.37-18,320.06

Finding the Fourth Proportional to 31,745.41, 43,797.37 and 18,320.06

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Solution

The fourth proportional to 31,745.41, 43,797.37 and 18,320.06 is: 25,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,745.41 : 43,797.37 = 18,320.06 : x
  2. Step 2: Convert to fraction form
    31,745.41/43,797.37 = 18,320.06/x
  3. Step 3: Cross multiply
    31,745.41x = 43,797.37 × 18,320.06
  4. Step 4: Simplify right side
    31,745.41x = 802,370,446.24
  5. Step 5: Solve for x
    x = 802,370,446.24/31,745.41
  6. Step 6: Final answer
    x = 25,275.16

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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.