Home / 30,768.16-46,137.79-18,289.84

Finding the Fourth Proportional to 30,768.16, 46,137.79 and 18,289.84

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Solution

The fourth proportional to 30,768.16, 46,137.79 and 18,289.84 is: 27,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768.16 : 46,137.79 = 18,289.84 : x
  2. Step 2: Convert to fraction form
    30,768.16/46,137.79 = 18,289.84/x
  3. Step 3: Cross multiply
    30,768.16x = 46,137.79 × 18,289.84
  4. Step 4: Simplify right side
    30,768.16x = 843,852,797.05
  5. Step 5: Solve for x
    x = 843,852,797.05/30,768.16
  6. Step 6: Final answer
    x = 27,426.17

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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.