Home / 39,480.84-54,541.18-34,166.43

Finding the Fourth Proportional to 39,480.84, 54,541.18 and 34,166.43

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Solution

The fourth proportional to 39,480.84, 54,541.18 and 34,166.43 is: 47,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,480.84 : 54,541.18 = 34,166.43 : x
  2. Step 2: Convert to fraction form
    39,480.84/54,541.18 = 34,166.43/x
  3. Step 3: Cross multiply
    39,480.84x = 54,541.18 × 34,166.43
  4. Step 4: Simplify right side
    39,480.84x = 1,863,477,408.59
  5. Step 5: Solve for x
    x = 1,863,477,408.59/39,480.84
  6. Step 6: Final answer
    x = 47,199.54

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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.