Home / 30,247.68-41,745.12-17,328.18

Finding the Fourth Proportional to 30,247.68, 41,745.12 and 17,328.18

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Solution

The fourth proportional to 30,247.68, 41,745.12 and 17,328.18 is: 23,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.68 : 41,745.12 = 17,328.18 : x
  2. Step 2: Convert to fraction form
    30,247.68/41,745.12 = 17,328.18/x
  3. Step 3: Cross multiply
    30,247.68x = 41,745.12 × 17,328.18
  4. Step 4: Simplify right side
    30,247.68x = 723,366,658.12
  5. Step 5: Solve for x
    x = 723,366,658.12/30,247.68
  6. Step 6: Final answer
    x = 23,914.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.