Home / 39,152.64-58,728.78-11,072.64

Finding the Fourth Proportional to 39,152.64, 58,728.78 and 11,072.64

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Solution

The fourth proportional to 39,152.64, 58,728.78 and 11,072.64 is: 16,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,152.64 : 58,728.78 = 11,072.64 : x
  2. Step 2: Convert to fraction form
    39,152.64/58,728.78 = 11,072.64/x
  3. Step 3: Cross multiply
    39,152.64x = 58,728.78 × 11,072.64
  4. Step 4: Simplify right side
    39,152.64x = 650,282,638.58
  5. Step 5: Solve for x
    x = 650,282,638.58/39,152.64
  6. Step 6: Final answer
    x = 16,608.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.