Home / 30,120.03-41,566.56-16,690.03

Finding the Fourth Proportional to 30,120.03, 41,566.56 and 16,690.03

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Solution

The fourth proportional to 30,120.03, 41,566.56 and 16,690.03 is: 23,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120.03 : 41,566.56 = 16,690.03 : x
  2. Step 2: Convert to fraction form
    30,120.03/41,566.56 = 16,690.03/x
  3. Step 3: Cross multiply
    30,120.03x = 41,566.56 × 16,690.03
  4. Step 4: Simplify right side
    30,120.03x = 693,747,049.95
  5. Step 5: Solve for x
    x = 693,747,049.95/30,120.03
  6. Step 6: Final answer
    x = 23,032.75

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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.