Home / 30,188.73-41,660.91-16,760.85

Finding the Fourth Proportional to 30,188.73, 41,660.91 and 16,760.85

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Solution

The fourth proportional to 30,188.73, 41,660.91 and 16,760.85 is: 23,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,188.73 : 41,660.91 = 16,760.85 : x
  2. Step 2: Convert to fraction form
    30,188.73/41,660.91 = 16,760.85/x
  3. Step 3: Cross multiply
    30,188.73x = 41,660.91 × 16,760.85
  4. Step 4: Simplify right side
    30,188.73x = 698,272,263.37
  5. Step 5: Solve for x
    x = 698,272,263.37/30,188.73
  6. Step 6: Final answer
    x = 23,130.23

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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.