Home / 30,440.16-45,660.06-10,716.36

Finding the Fourth Proportional to 30,440.16, 45,660.06 and 10,716.36

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Solution

The fourth proportional to 30,440.16, 45,660.06 and 10,716.36 is: 16,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,440.16 : 45,660.06 = 10,716.36 : x
  2. Step 2: Convert to fraction form
    30,440.16/45,660.06 = 10,716.36/x
  3. Step 3: Cross multiply
    30,440.16x = 45,660.06 × 10,716.36
  4. Step 4: Simplify right side
    30,440.16x = 489,309,640.58
  5. Step 5: Solve for x
    x = 489,309,640.58/30,440.16
  6. Step 6: Final answer
    x = 16,074.48

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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.