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Finding the Fourth Proportional to 52,954.88, 79,470.54 and 30,738.60

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Solution

The fourth proportional to 52,954.88, 79,470.54 and 30,738.60 is: 46,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,954.88 : 79,470.54 = 30,738.60 : x
  2. Step 2: Convert to fraction form
    52,954.88/79,470.54 = 30,738.60/x
  3. Step 3: Cross multiply
    52,954.88x = 79,470.54 × 30,738.60
  4. Step 4: Simplify right side
    52,954.88x = 2,442,813,140.84
  5. Step 5: Solve for x
    x = 2,442,813,140.84/52,954.88
  6. Step 6: Final answer
    x = 46,130.09

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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.