Home / 30,110.28-41,551.08-16,682.12

Finding the Fourth Proportional to 30,110.28, 41,551.08 and 16,682.12

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Solution

The fourth proportional to 30,110.28, 41,551.08 and 16,682.12 is: 23,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.28 : 41,551.08 = 16,682.12 : x
  2. Step 2: Convert to fraction form
    30,110.28/41,551.08 = 16,682.12/x
  3. Step 3: Cross multiply
    30,110.28x = 41,551.08 × 16,682.12
  4. Step 4: Simplify right side
    30,110.28x = 693,160,102.69
  5. Step 5: Solve for x
    x = 693,160,102.69/30,110.28
  6. Step 6: Final answer
    x = 23,020.71

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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.