Home / 53,116.14-79,679.07-13,673.37

Finding the Fourth Proportional to 53,116.14, 79,679.07 and 13,673.37

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Solution

The fourth proportional to 53,116.14, 79,679.07 and 13,673.37 is: 20,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,116.14 : 79,679.07 = 13,673.37 : x
  2. Step 2: Convert to fraction form
    53,116.14/79,679.07 = 13,673.37/x
  3. Step 3: Cross multiply
    53,116.14x = 79,679.07 × 13,673.37
  4. Step 4: Simplify right side
    53,116.14x = 1,089,481,405.37
  5. Step 5: Solve for x
    x = 1,089,481,405.37/53,116.14
  6. Step 6: Final answer
    x = 20,511.31

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1.5x scale

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.