Home / 30,202.68-41,672.96-18,265.76

Finding the Fourth Proportional to 30,202.68, 41,672.96 and 18,265.76

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Solution

The fourth proportional to 30,202.68, 41,672.96 and 18,265.76 is: 25,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,202.68 : 41,672.96 = 18,265.76 : x
  2. Step 2: Convert to fraction form
    30,202.68/41,672.96 = 18,265.76/x
  3. Step 3: Cross multiply
    30,202.68x = 41,672.96 × 18,265.76
  4. Step 4: Simplify right side
    30,202.68x = 761,188,285.85
  5. Step 5: Solve for x
    x = 761,188,285.85/30,202.68
  6. Step 6: Final answer
    x = 25,202.67

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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.