Home / 30,338.25-45,438.27-26,790.75

Finding the Fourth Proportional to 30,338.25, 45,438.27 and 26,790.75

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Solution

The fourth proportional to 30,338.25, 45,438.27 and 26,790.75 is: 40,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.25 : 45,438.27 = 26,790.75 : x
  2. Step 2: Convert to fraction form
    30,338.25/45,438.27 = 26,790.75/x
  3. Step 3: Cross multiply
    30,338.25x = 45,438.27 × 26,790.75
  4. Step 4: Simplify right side
    30,338.25x = 1,217,325,231.54
  5. Step 5: Solve for x
    x = 1,217,325,231.54/30,338.25
  6. Step 6: Final answer
    x = 40,125.10

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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.