Home / 39,170.07-54,161.01-38,537.01

Finding the Fourth Proportional to 39,170.07, 54,161.01 and 38,537.01

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Solution

The fourth proportional to 39,170.07, 54,161.01 and 38,537.01 is: 53,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,170.07 : 54,161.01 = 38,537.01 : x
  2. Step 2: Convert to fraction form
    39,170.07/54,161.01 = 38,537.01/x
  3. Step 3: Cross multiply
    39,170.07x = 54,161.01 × 38,537.01
  4. Step 4: Simplify right side
    39,170.07x = 2,087,203,383.98
  5. Step 5: Solve for x
    x = 2,087,203,383.98/39,170.07
  6. Step 6: Final answer
    x = 53,285.67

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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.