Home / 30,961.12-46,441.56-11,239.60

Finding the Fourth Proportional to 30,961.12, 46,441.56 and 11,239.60

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Solution

The fourth proportional to 30,961.12, 46,441.56 and 11,239.60 is: 16,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,961.12 : 46,441.56 = 11,239.60 : x
  2. Step 2: Convert to fraction form
    30,961.12/46,441.56 = 11,239.60/x
  3. Step 3: Cross multiply
    30,961.12x = 46,441.56 × 11,239.60
  4. Step 4: Simplify right side
    30,961.12x = 521,984,557.78
  5. Step 5: Solve for x
    x = 521,984,557.78/30,961.12
  6. Step 6: Final answer
    x = 16,859.36

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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.