Home / 50,951.54-70,315.32-28,290.54

Finding the Fourth Proportional to 50,951.54, 70,315.32 and 28,290.54

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Solution

The fourth proportional to 50,951.54, 70,315.32 and 28,290.54 is: 39,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,951.54 : 70,315.32 = 28,290.54 : x
  2. Step 2: Convert to fraction form
    50,951.54/70,315.32 = 28,290.54/x
  3. Step 3: Cross multiply
    50,951.54x = 70,315.32 × 28,290.54
  4. Step 4: Simplify right side
    50,951.54x = 1,989,258,373.07
  5. Step 5: Solve for x
    x = 1,989,258,373.07/50,951.54
  6. Step 6: Final answer
    x = 39,042.16

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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.