Home / 34,804.11-52,138.96-20,775.32

Finding the Fourth Proportional to 34,804.11, 52,138.96 and 20,775.32

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Solution

The fourth proportional to 34,804.11, 52,138.96 and 20,775.32 is: 31,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,804.11 : 52,138.96 = 20,775.32 : x
  2. Step 2: Convert to fraction form
    34,804.11/52,138.96 = 20,775.32/x
  3. Step 3: Cross multiply
    34,804.11x = 52,138.96 × 20,775.32
  4. Step 4: Simplify right side
    34,804.11x = 1,083,203,317.77
  5. Step 5: Solve for x
    x = 1,083,203,317.77/34,804.11
  6. Step 6: Final answer
    x = 31,122.86

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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.