Home / 43,161.80-64,716.30-16,836.20

Finding the Fourth Proportional to 43,161.80, 64,716.30 and 16,836.20

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Solution

The fourth proportional to 43,161.80, 64,716.30 and 16,836.20 is: 25,244.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,161.80 : 64,716.30 = 16,836.20 : x
  2. Step 2: Convert to fraction form
    43,161.80/64,716.30 = 16,836.20/x
  3. Step 3: Cross multiply
    43,161.80x = 64,716.30 × 16,836.20
  4. Step 4: Simplify right side
    43,161.80x = 1,089,576,570.06
  5. Step 5: Solve for x
    x = 1,089,576,570.06/43,161.80
  6. Step 6: Final answer
    x = 25,244.00

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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.