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Finding the Fourth Proportional to 34,838.94, 48,076.94 and 18,923.04

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Solution

The fourth proportional to 34,838.94, 48,076.94 and 18,923.04 is: 26,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,838.94 : 48,076.94 = 18,923.04 : x
  2. Step 2: Convert to fraction form
    34,838.94/48,076.94 = 18,923.04/x
  3. Step 3: Cross multiply
    34,838.94x = 48,076.94 × 18,923.04
  4. Step 4: Simplify right side
    34,838.94x = 909,761,858.70
  5. Step 5: Solve for x
    x = 909,761,858.70/34,838.94
  6. Step 6: Final answer
    x = 26,113.36

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1.5x scale

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.