Home / 37,779.44-52,137-20,785

Finding the Fourth Proportional to 37,779.44, 52,137 and 20,785

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Solution

The fourth proportional to 37,779.44, 52,137 and 20,785 is: 28,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,779.44 : 52,137 = 20,785 : x
  2. Step 2: Convert to fraction form
    37,779.44/52,137 = 20,785/x
  3. Step 3: Cross multiply
    37,779.44x = 52,137 × 20,785
  4. Step 4: Simplify right side
    37,779.44x = 1,083,667,545
  5. Step 5: Solve for x
    x = 1,083,667,545/37,779.44
  6. Step 6: Final answer
    x = 28,684.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.