Home / 30,768.09-46,156.71-9,705.92

Finding the Fourth Proportional to 30,768.09, 46,156.71 and 9,705.92

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Solution

The fourth proportional to 30,768.09, 46,156.71 and 9,705.92 is: 14,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768.09 : 46,156.71 = 9,705.92 : x
  2. Step 2: Convert to fraction form
    30,768.09/46,156.71 = 9,705.92/x
  3. Step 3: Cross multiply
    30,768.09x = 46,156.71 × 9,705.92
  4. Step 4: Simplify right side
    30,768.09x = 447,993,103.94
  5. Step 5: Solve for x
    x = 447,993,103.94/30,768.09
  6. Step 6: Final answer
    x = 14,560.32

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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.