Home / 38,072.54-57,114.35-11,779.33

Finding the Fourth Proportional to 38,072.54, 57,114.35 and 11,779.33

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Solution

The fourth proportional to 38,072.54, 57,114.35 and 11,779.33 is: 17,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.54 : 57,114.35 = 11,779.33 : x
  2. Step 2: Convert to fraction form
    38,072.54/57,114.35 = 11,779.33/x
  3. Step 3: Cross multiply
    38,072.54x = 57,114.35 × 11,779.33
  4. Step 4: Simplify right side
    38,072.54x = 672,768,776.39
  5. Step 5: Solve for x
    x = 672,768,776.39/38,072.54
  6. Step 6: Final answer
    x = 17,670.71

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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.