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Finding the Fourth Proportional to 51,967.98, 71,715.54 and 28,094.44

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Solution

The fourth proportional to 51,967.98, 71,715.54 and 28,094.44 is: 38,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,967.98 : 71,715.54 = 28,094.44 : x
  2. Step 2: Convert to fraction form
    51,967.98/71,715.54 = 28,094.44/x
  3. Step 3: Cross multiply
    51,967.98x = 71,715.54 × 28,094.44
  4. Step 4: Simplify right side
    51,967.98x = 2,014,807,935.60
  5. Step 5: Solve for x
    x = 2,014,807,935.60/51,967.98
  6. Step 6: Final answer
    x = 38,770.18

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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.