Home / 39,639.30-54,704.74-26,186.97

Finding the Fourth Proportional to 39,639.30, 54,704.74 and 26,186.97

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Solution

The fourth proportional to 39,639.30, 54,704.74 and 26,186.97 is: 36,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,639.30 : 54,704.74 = 26,186.97 : x
  2. Step 2: Convert to fraction form
    39,639.30/54,704.74 = 26,186.97/x
  3. Step 3: Cross multiply
    39,639.30x = 54,704.74 × 26,186.97
  4. Step 4: Simplify right side
    39,639.30x = 1,432,551,493.81
  5. Step 5: Solve for x
    x = 1,432,551,493.81/39,639.30
  6. Step 6: Final answer
    x = 36,139.68

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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.