Home / 39,786.85-54,903.18-22,791.16

Finding the Fourth Proportional to 39,786.85, 54,903.18 and 22,791.16

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Solution

The fourth proportional to 39,786.85, 54,903.18 and 22,791.16 is: 31,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786.85 : 54,903.18 = 22,791.16 : x
  2. Step 2: Convert to fraction form
    39,786.85/54,903.18 = 22,791.16/x
  3. Step 3: Cross multiply
    39,786.85x = 54,903.18 × 22,791.16
  4. Step 4: Simplify right side
    39,786.85x = 1,251,307,159.89
  5. Step 5: Solve for x
    x = 1,251,307,159.89/39,786.85
  6. Step 6: Final answer
    x = 31,450.27

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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.