Home / 30,311.76-41,831.52-16,883.01

Finding the Fourth Proportional to 30,311.76, 41,831.52 and 16,883.01

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Solution

The fourth proportional to 30,311.76, 41,831.52 and 16,883.01 is: 23,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.76 : 41,831.52 = 16,883.01 : x
  2. Step 2: Convert to fraction form
    30,311.76/41,831.52 = 16,883.01/x
  3. Step 3: Cross multiply
    30,311.76x = 41,831.52 × 16,883.01
  4. Step 4: Simplify right side
    30,311.76x = 706,241,970.48
  5. Step 5: Solve for x
    x = 706,241,970.48/30,311.76
  6. Step 6: Final answer
    x = 23,299.27

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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.