Home / 57,779.29-86,668.24-18,336.75

Finding the Fourth Proportional to 57,779.29, 86,668.24 and 18,336.75

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Solution

The fourth proportional to 57,779.29, 86,668.24 and 18,336.75 is: 27,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,779.29 : 86,668.24 = 18,336.75 : x
  2. Step 2: Convert to fraction form
    57,779.29/86,668.24 = 18,336.75/x
  3. Step 3: Cross multiply
    57,779.29x = 86,668.24 × 18,336.75
  4. Step 4: Simplify right side
    57,779.29x = 1,589,213,849.82
  5. Step 5: Solve for x
    x = 1,589,213,849.82/57,779.29
  6. Step 6: Final answer
    x = 27,504.90

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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.