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Finding the Fourth Proportional to 50,819.72, 70,133.04 and 30,672.67

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Solution

The fourth proportional to 50,819.72, 70,133.04 and 30,672.67 is: 42,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,819.72 : 70,133.04 = 30,672.67 : x
  2. Step 2: Convert to fraction form
    50,819.72/70,133.04 = 30,672.67/x
  3. Step 3: Cross multiply
    50,819.72x = 70,133.04 × 30,672.67
  4. Step 4: Simplify right side
    50,819.72x = 2,151,167,416.68
  5. Step 5: Solve for x
    x = 2,151,167,416.68/50,819.72
  6. Step 6: Final answer
    x = 42,329.38

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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.