Home / 30,054.92-41,476.19-18,728.99

Finding the Fourth Proportional to 30,054.92, 41,476.19 and 18,728.99

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Solution

The fourth proportional to 30,054.92, 41,476.19 and 18,728.99 is: 25,846.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,054.92 : 41,476.19 = 18,728.99 : x
  2. Step 2: Convert to fraction form
    30,054.92/41,476.19 = 18,728.99/x
  3. Step 3: Cross multiply
    30,054.92x = 41,476.19 × 18,728.99
  4. Step 4: Simplify right side
    30,054.92x = 776,807,002.26
  5. Step 5: Solve for x
    x = 776,807,002.26/30,054.92
  6. Step 6: Final answer
    x = 25,846.26

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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.