Home / 30,311.88-41,831.69-16,883.14

Finding the Fourth Proportional to 30,311.88, 41,831.69 and 16,883.14

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Solution

The fourth proportional to 30,311.88, 41,831.69 and 16,883.14 is: 23,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.88 : 41,831.69 = 16,883.14 : x
  2. Step 2: Convert to fraction form
    30,311.88/41,831.69 = 16,883.14/x
  3. Step 3: Cross multiply
    30,311.88x = 41,831.69 × 16,883.14
  4. Step 4: Simplify right side
    30,311.88x = 706,250,216.34
  5. Step 5: Solve for x
    x = 706,250,216.34/30,311.88
  6. Step 6: Final answer
    x = 23,299.45

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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.