Home / 43,943.55-65,904.87-18,969.93

Finding the Fourth Proportional to 43,943.55, 65,904.87 and 18,969.93

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Solution

The fourth proportional to 43,943.55, 65,904.87 and 18,969.93 is: 28,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,943.55 : 65,904.87 = 18,969.93 : x
  2. Step 2: Convert to fraction form
    43,943.55/65,904.87 = 18,969.93/x
  3. Step 3: Cross multiply
    43,943.55x = 65,904.87 × 18,969.93
  4. Step 4: Simplify right side
    43,943.55x = 1,250,210,770.56
  5. Step 5: Solve for x
    x = 1,250,210,770.56/43,943.55
  6. Step 6: Final answer
    x = 28,450.38

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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.