Home / 39,040.03-58,555.18-12,742.57

Finding the Fourth Proportional to 39,040.03, 58,555.18 and 12,742.57

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Solution

The fourth proportional to 39,040.03, 58,555.18 and 12,742.57 is: 19,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040.03 : 58,555.18 = 12,742.57 : x
  2. Step 2: Convert to fraction form
    39,040.03/58,555.18 = 12,742.57/x
  3. Step 3: Cross multiply
    39,040.03x = 58,555.18 × 12,742.57
  4. Step 4: Simplify right side
    39,040.03x = 746,143,480.01
  5. Step 5: Solve for x
    x = 746,143,480.01/39,040.03
  6. Step 6: Final answer
    x = 19,112.27

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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.