Home / 50,684.64-76,020.48-21,096.96

Finding the Fourth Proportional to 50,684.64, 76,020.48 and 21,096.96

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Solution

The fourth proportional to 50,684.64, 76,020.48 and 21,096.96 is: 31,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,684.64 : 76,020.48 = 21,096.96 : x
  2. Step 2: Convert to fraction form
    50,684.64/76,020.48 = 21,096.96/x
  3. Step 3: Cross multiply
    50,684.64x = 76,020.48 × 21,096.96
  4. Step 4: Simplify right side
    50,684.64x = 1,603,801,025.74
  5. Step 5: Solve for x
    x = 1,603,801,025.74/50,684.64
  6. Step 6: Final answer
    x = 31,642.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.