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Finding the Fourth Proportional to 50,868.30, 70,189.70 and 33,897.88

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Solution

The fourth proportional to 50,868.30, 70,189.70 and 33,897.88 is: 46,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,868.30 : 70,189.70 = 33,897.88 : x
  2. Step 2: Convert to fraction form
    50,868.30/70,189.70 = 33,897.88/x
  3. Step 3: Cross multiply
    50,868.30x = 70,189.70 × 33,897.88
  4. Step 4: Simplify right side
    50,868.30x = 2,379,282,027.84
  5. Step 5: Solve for x
    x = 2,379,282,027.84/50,868.30
  6. Step 6: Final answer
    x = 46,773.37

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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.