Home / 31,700.18-43,745.93-17,164.29

Finding the Fourth Proportional to 31,700.18, 43,745.93 and 17,164.29

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Solution

The fourth proportional to 31,700.18, 43,745.93 and 17,164.29 is: 23,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,700.18 : 43,745.93 = 17,164.29 : x
  2. Step 2: Convert to fraction form
    31,700.18/43,745.93 = 17,164.29/x
  3. Step 3: Cross multiply
    31,700.18x = 43,745.93 × 17,164.29
  4. Step 4: Simplify right side
    31,700.18x = 750,868,067.98
  5. Step 5: Solve for x
    x = 750,868,067.98/31,700.18
  6. Step 6: Final answer
    x = 23,686.56

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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.