Home / 34,831.37-48,071.39-20,684.21

Finding the Fourth Proportional to 34,831.37, 48,071.39 and 20,684.21

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Solution

The fourth proportional to 34,831.37, 48,071.39 and 20,684.21 is: 28,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,831.37 : 48,071.39 = 20,684.21 : x
  2. Step 2: Convert to fraction form
    34,831.37/48,071.39 = 20,684.21/x
  3. Step 3: Cross multiply
    34,831.37x = 48,071.39 × 20,684.21
  4. Step 4: Simplify right side
    34,831.37x = 994,318,768.72
  5. Step 5: Solve for x
    x = 994,318,768.72/34,831.37
  6. Step 6: Final answer
    x = 28,546.65

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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.