Home / 31,745.21-43,808.88-17,406.35

Finding the Fourth Proportional to 31,745.21, 43,808.88 and 17,406.35

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Solution

The fourth proportional to 31,745.21, 43,808.88 and 17,406.35 is: 24,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,745.21 : 43,808.88 = 17,406.35 : x
  2. Step 2: Convert to fraction form
    31,745.21/43,808.88 = 17,406.35/x
  3. Step 3: Cross multiply
    31,745.21x = 43,808.88 × 17,406.35
  4. Step 4: Simplify right side
    31,745.21x = 762,552,610.99
  5. Step 5: Solve for x
    x = 762,552,610.99/31,745.21
  6. Step 6: Final answer
    x = 24,021.03

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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.