Home / 30,107.67-41,548.88-16,679.11

Finding the Fourth Proportional to 30,107.67, 41,548.88 and 16,679.11

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Solution

The fourth proportional to 30,107.67, 41,548.88 and 16,679.11 is: 23,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.67 : 41,548.88 = 16,679.11 : x
  2. Step 2: Convert to fraction form
    30,107.67/41,548.88 = 16,679.11/x
  3. Step 3: Cross multiply
    30,107.67x = 41,548.88 × 16,679.11
  4. Step 4: Simplify right side
    30,107.67x = 692,998,277.72
  5. Step 5: Solve for x
    x = 692,998,277.72/30,107.67
  6. Step 6: Final answer
    x = 23,017.33

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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.