Home / 30,930.69-46,399.02-8,744.79

Finding the Fourth Proportional to 30,930.69, 46,399.02 and 8,744.79

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Solution

The fourth proportional to 30,930.69, 46,399.02 and 8,744.79 is: 13,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930.69 : 46,399.02 = 8,744.79 : x
  2. Step 2: Convert to fraction form
    30,930.69/46,399.02 = 8,744.79/x
  3. Step 3: Cross multiply
    30,930.69x = 46,399.02 × 8,744.79
  4. Step 4: Simplify right side
    30,930.69x = 405,749,686.11
  5. Step 5: Solve for x
    x = 405,749,686.11/30,930.69
  6. Step 6: Final answer
    x = 13,118.03

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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.