Home / 53,043.26-79,558.94-13,601.30

Finding the Fourth Proportional to 53,043.26, 79,558.94 and 13,601.30

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Solution

The fourth proportional to 53,043.26, 79,558.94 and 13,601.30 is: 20,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,043.26 : 79,558.94 = 13,601.30 : x
  2. Step 2: Convert to fraction form
    53,043.26/79,558.94 = 13,601.30/x
  3. Step 3: Cross multiply
    53,043.26x = 79,558.94 × 13,601.30
  4. Step 4: Simplify right side
    53,043.26x = 1,082,104,646.83
  5. Step 5: Solve for x
    x = 1,082,104,646.83/53,043.26
  6. Step 6: Final answer
    x = 20,400.42

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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.