Home / 33,187.72-49,782.98-15,435.04

Finding the Fourth Proportional to 33,187.72, 49,782.98 and 15,435.04

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Solution

The fourth proportional to 33,187.72, 49,782.98 and 15,435.04 is: 23,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.72 : 49,782.98 = 15,435.04 : x
  2. Step 2: Convert to fraction form
    33,187.72/49,782.98 = 15,435.04/x
  3. Step 3: Cross multiply
    33,187.72x = 49,782.98 × 15,435.04
  4. Step 4: Simplify right side
    33,187.72x = 768,402,287.62
  5. Step 5: Solve for x
    x = 768,402,287.62/33,187.72
  6. Step 6: Final answer
    x = 23,153.21

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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.