Home / 53,704.22-80,535.63-20,406.74

Finding the Fourth Proportional to 53,704.22, 80,535.63 and 20,406.74

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Solution

The fourth proportional to 53,704.22, 80,535.63 and 20,406.74 is: 30,602.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,704.22 : 80,535.63 = 20,406.74 : x
  2. Step 2: Convert to fraction form
    53,704.22/80,535.63 = 20,406.74/x
  3. Step 3: Cross multiply
    53,704.22x = 80,535.63 × 20,406.74
  4. Step 4: Simplify right side
    53,704.22x = 1,643,469,662.15
  5. Step 5: Solve for x
    x = 1,643,469,662.15/53,704.22
  6. Step 6: Final answer
    x = 30,602.24

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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.