Home / 30,728.58-46,103.91-10,740.99

Finding the Fourth Proportional to 30,728.58, 46,103.91 and 10,740.99

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Solution

The fourth proportional to 30,728.58, 46,103.91 and 10,740.99 is: 16,115.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,728.58 : 46,103.91 = 10,740.99 : x
  2. Step 2: Convert to fraction form
    30,728.58/46,103.91 = 10,740.99/x
  3. Step 3: Cross multiply
    30,728.58x = 46,103.91 × 10,740.99
  4. Step 4: Simplify right side
    30,728.58x = 495,201,636.27
  5. Step 5: Solve for x
    x = 495,201,636.27/30,728.58
  6. Step 6: Final answer
    x = 16,115.34

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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.