Home / 53,198.40-79,816.65-22,790.78

Finding the Fourth Proportional to 53,198.40, 79,816.65 and 22,790.78

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Solution

The fourth proportional to 53,198.40, 79,816.65 and 22,790.78 is: 34,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,198.40 : 79,816.65 = 22,790.78 : x
  2. Step 2: Convert to fraction form
    53,198.40/79,816.65 = 22,790.78/x
  3. Step 3: Cross multiply
    53,198.40x = 79,816.65 × 22,790.78
  4. Step 4: Simplify right side
    53,198.40x = 1,819,083,311.40
  5. Step 5: Solve for x
    x = 1,819,083,311.40/53,198.40
  6. Step 6: Final answer
    x = 34,194.32

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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.