Home / 30,912.69-46,348.53-11,188.68

Finding the Fourth Proportional to 30,912.69, 46,348.53 and 11,188.68

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Solution

The fourth proportional to 30,912.69, 46,348.53 and 11,188.68 is: 16,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,912.69 : 46,348.53 = 11,188.68 : x
  2. Step 2: Convert to fraction form
    30,912.69/46,348.53 = 11,188.68/x
  3. Step 3: Cross multiply
    30,912.69x = 46,348.53 × 11,188.68
  4. Step 4: Simplify right side
    30,912.69x = 518,578,870.64
  5. Step 5: Solve for x
    x = 518,578,870.64/30,912.69
  6. Step 6: Final answer
    x = 16,775.60

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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.