Home / 43,394.55-65,091.14-13,811.95

Finding the Fourth Proportional to 43,394.55, 65,091.14 and 13,811.95

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Solution

The fourth proportional to 43,394.55, 65,091.14 and 13,811.95 is: 20,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,394.55 : 65,091.14 = 13,811.95 : x
  2. Step 2: Convert to fraction form
    43,394.55/65,091.14 = 13,811.95/x
  3. Step 3: Cross multiply
    43,394.55x = 65,091.14 × 13,811.95
  4. Step 4: Simplify right side
    43,394.55x = 899,035,635.22
  5. Step 5: Solve for x
    x = 899,035,635.22/43,394.55
  6. Step 6: Final answer
    x = 20,717.71

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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.