Home / 38,340.11-57,515.97-12,042.38

Finding the Fourth Proportional to 38,340.11, 57,515.97 and 12,042.38

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Solution

The fourth proportional to 38,340.11, 57,515.97 and 12,042.38 is: 18,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.11 : 57,515.97 = 12,042.38 : x
  2. Step 2: Convert to fraction form
    38,340.11/57,515.97 = 12,042.38/x
  3. Step 3: Cross multiply
    38,340.11x = 57,515.97 × 12,042.38
  4. Step 4: Simplify right side
    38,340.11x = 692,629,166.81
  5. Step 5: Solve for x
    x = 692,629,166.81/38,340.11
  6. Step 6: Final answer
    x = 18,065.39

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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.