Home / 38,072.69-57,111.92-11,780.09

Finding the Fourth Proportional to 38,072.69, 57,111.92 and 11,780.09

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Solution

The fourth proportional to 38,072.69, 57,111.92 and 11,780.09 is: 17,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.69 : 57,111.92 = 11,780.09 : x
  2. Step 2: Convert to fraction form
    38,072.69/57,111.92 = 11,780.09/x
  3. Step 3: Cross multiply
    38,072.69x = 57,111.92 × 11,780.09
  4. Step 4: Simplify right side
    38,072.69x = 672,783,498.77
  5. Step 5: Solve for x
    x = 672,783,498.77/38,072.69
  6. Step 6: Final answer
    x = 17,671.03

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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.