Home / 37,636.58-51,938.41-21,721.03

Finding the Fourth Proportional to 37,636.58, 51,938.41 and 21,721.03

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Solution

The fourth proportional to 37,636.58, 51,938.41 and 21,721.03 is: 29,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.58 : 51,938.41 = 21,721.03 : x
  2. Step 2: Convert to fraction form
    37,636.58/51,938.41 = 21,721.03/x
  3. Step 3: Cross multiply
    37,636.58x = 51,938.41 × 21,721.03
  4. Step 4: Simplify right side
    37,636.58x = 1,128,155,783.00
  5. Step 5: Solve for x
    x = 1,128,155,783.00/37,636.58
  6. Step 6: Final answer
    x = 29,974.98

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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.