Home / 30,107.57-41,548.41-16,679.66

Finding the Fourth Proportional to 30,107.57, 41,548.41 and 16,679.66

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Solution

The fourth proportional to 30,107.57, 41,548.41 and 16,679.66 is: 23,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.57 : 41,548.41 = 16,679.66 : x
  2. Step 2: Convert to fraction form
    30,107.57/41,548.41 = 16,679.66/x
  3. Step 3: Cross multiply
    30,107.57x = 41,548.41 × 16,679.66
  4. Step 4: Simplify right side
    30,107.57x = 693,013,144.60
  5. Step 5: Solve for x
    x = 693,013,144.60/30,107.57
  6. Step 6: Final answer
    x = 23,017.91

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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.