Home / 30,788.81-46,183.23-7,415.25

Finding the Fourth Proportional to 30,788.81, 46,183.23 and 7,415.25

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Solution

The fourth proportional to 30,788.81, 46,183.23 and 7,415.25 is: 11,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,788.81 : 46,183.23 = 7,415.25 : x
  2. Step 2: Convert to fraction form
    30,788.81/46,183.23 = 7,415.25/x
  3. Step 3: Cross multiply
    30,788.81x = 46,183.23 × 7,415.25
  4. Step 4: Simplify right side
    30,788.81x = 342,460,196.26
  5. Step 5: Solve for x
    x = 342,460,196.26/30,788.81
  6. Step 6: Final answer
    x = 11,122.88

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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.