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Finding the Fourth Proportional to 50,160.98, 69,224.40 and 28,652.60

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Solution

The fourth proportional to 50,160.98, 69,224.40 and 28,652.60 is: 39,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,160.98 : 69,224.40 = 28,652.60 : x
  2. Step 2: Convert to fraction form
    50,160.98/69,224.40 = 28,652.60/x
  3. Step 3: Cross multiply
    50,160.98x = 69,224.40 × 28,652.60
  4. Step 4: Simplify right side
    50,160.98x = 1,983,459,043.44
  5. Step 5: Solve for x
    x = 1,983,459,043.44/50,160.98
  6. Step 6: Final answer
    x = 39,541.87

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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.