Home / 79,635.42-119,453.12-20,471.14

Finding the Fourth Proportional to 79,635.42, 119,453.12 and 20,471.14

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Solution

The fourth proportional to 79,635.42, 119,453.12 and 20,471.14 is: 30,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,635.42 : 119,453.12 = 20,471.14 : x
  2. Step 2: Convert to fraction form
    79,635.42/119,453.12 = 20,471.14/x
  3. Step 3: Cross multiply
    79,635.42x = 119,453.12 × 20,471.14
  4. Step 4: Simplify right side
    79,635.42x = 2,445,341,440.60
  5. Step 5: Solve for x
    x = 2,445,341,440.60/79,635.42
  6. Step 6: Final answer
    x = 30,706.71

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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.