Home / 38,829.84-53,584.68-21,836.89

Finding the Fourth Proportional to 38,829.84, 53,584.68 and 21,836.89

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Solution

The fourth proportional to 38,829.84, 53,584.68 and 21,836.89 is: 30,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829.84 : 53,584.68 = 21,836.89 : x
  2. Step 2: Convert to fraction form
    38,829.84/53,584.68 = 21,836.89/x
  3. Step 3: Cross multiply
    38,829.84x = 53,584.68 × 21,836.89
  4. Step 4: Simplify right side
    38,829.84x = 1,170,122,762.85
  5. Step 5: Solve for x
    x = 1,170,122,762.85/38,829.84
  6. Step 6: Final answer
    x = 30,134.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.