Home / 33,213.84-49,768.86-20,875.92

Finding the Fourth Proportional to 33,213.84, 49,768.86 and 20,875.92

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Solution

The fourth proportional to 33,213.84, 49,768.86 and 20,875.92 is: 31,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213.84 : 49,768.86 = 20,875.92 : x
  2. Step 2: Convert to fraction form
    33,213.84/49,768.86 = 20,875.92/x
  3. Step 3: Cross multiply
    33,213.84x = 49,768.86 × 20,875.92
  4. Step 4: Simplify right side
    33,213.84x = 1,038,970,739.85
  5. Step 5: Solve for x
    x = 1,038,970,739.85/33,213.84
  6. Step 6: Final answer
    x = 31,281.26

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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.