Home / 37,537.70-51,820.79-21,619.08

Finding the Fourth Proportional to 37,537.70, 51,820.79 and 21,619.08

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Solution

The fourth proportional to 37,537.70, 51,820.79 and 21,619.08 is: 29,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,537.70 : 51,820.79 = 21,619.08 : x
  2. Step 2: Convert to fraction form
    37,537.70/51,820.79 = 21,619.08/x
  3. Step 3: Cross multiply
    37,537.70x = 51,820.79 × 21,619.08
  4. Step 4: Simplify right side
    37,537.70x = 1,120,317,696.58
  5. Step 5: Solve for x
    x = 1,120,317,696.58/37,537.70
  6. Step 6: Final answer
    x = 29,845.14

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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.