Home / 30,871.22-46,301.45-8,679.33

Finding the Fourth Proportional to 30,871.22, 46,301.45 and 8,679.33

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Solution

The fourth proportional to 30,871.22, 46,301.45 and 8,679.33 is: 13,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871.22 : 46,301.45 = 8,679.33 : x
  2. Step 2: Convert to fraction form
    30,871.22/46,301.45 = 8,679.33/x
  3. Step 3: Cross multiply
    30,871.22x = 46,301.45 × 8,679.33
  4. Step 4: Simplify right side
    30,871.22x = 401,865,520.63
  5. Step 5: Solve for x
    x = 401,865,520.63/30,871.22
  6. Step 6: Final answer
    x = 13,017.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.