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Finding the Fourth Proportional to 50,673.64, 76,009.18 and 13,736.68

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Solution

The fourth proportional to 50,673.64, 76,009.18 and 13,736.68 is: 20,604.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,673.64 : 76,009.18 = 13,736.68 : x
  2. Step 2: Convert to fraction form
    50,673.64/76,009.18 = 13,736.68/x
  3. Step 3: Cross multiply
    50,673.64x = 76,009.18 × 13,736.68
  4. Step 4: Simplify right side
    50,673.64x = 1,044,113,782.72
  5. Step 5: Solve for x
    x = 1,044,113,782.72/50,673.64
  6. Step 6: Final answer
    x = 20,604.67

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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.