Home / 39,763.85-54,874.22-22,768.35

Finding the Fourth Proportional to 39,763.85, 54,874.22 and 22,768.35

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Solution

The fourth proportional to 39,763.85, 54,874.22 and 22,768.35 is: 31,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,763.85 : 54,874.22 = 22,768.35 : x
  2. Step 2: Convert to fraction form
    39,763.85/54,874.22 = 22,768.35/x
  3. Step 3: Cross multiply
    39,763.85x = 54,874.22 × 22,768.35
  4. Step 4: Simplify right side
    39,763.85x = 1,249,395,446.94
  5. Step 5: Solve for x
    x = 1,249,395,446.94/39,763.85
  6. Step 6: Final answer
    x = 31,420.38

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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.