Home / 30,979.56-46,469.37-7,605.99

Finding the Fourth Proportional to 30,979.56, 46,469.37 and 7,605.99

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Solution

The fourth proportional to 30,979.56, 46,469.37 and 7,605.99 is: 11,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,979.56 : 46,469.37 = 7,605.99 : x
  2. Step 2: Convert to fraction form
    30,979.56/46,469.37 = 7,605.99/x
  3. Step 3: Cross multiply
    30,979.56x = 46,469.37 × 7,605.99
  4. Step 4: Simplify right side
    30,979.56x = 353,445,563.53
  5. Step 5: Solve for x
    x = 353,445,563.53/30,979.56
  6. Step 6: Final answer
    x = 11,408.99

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1.5x scale

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.