Home / 38,078.45-57,083.76-18,075.60

Finding the Fourth Proportional to 38,078.45, 57,083.76 and 18,075.60

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Solution

The fourth proportional to 38,078.45, 57,083.76 and 18,075.60 is: 27,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,078.45 : 57,083.76 = 18,075.60 : x
  2. Step 2: Convert to fraction form
    38,078.45/57,083.76 = 18,075.60/x
  3. Step 3: Cross multiply
    38,078.45x = 57,083.76 × 18,075.60
  4. Step 4: Simplify right side
    38,078.45x = 1,031,823,212.26
  5. Step 5: Solve for x
    x = 1,031,823,212.26/38,078.45
  6. Step 6: Final answer
    x = 27,097.30

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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.