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Finding the Fourth Proportional to 51,796.51, 77,696.43 and 14,353.39

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Solution

The fourth proportional to 51,796.51, 77,696.43 and 14,353.39 is: 21,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,796.51 : 77,696.43 = 14,353.39 : x
  2. Step 2: Convert to fraction form
    51,796.51/77,696.43 = 14,353.39/x
  3. Step 3: Cross multiply
    51,796.51x = 77,696.43 × 14,353.39
  4. Step 4: Simplify right side
    51,796.51x = 1,115,207,161.40
  5. Step 5: Solve for x
    x = 1,115,207,161.40/51,796.51
  6. Step 6: Final answer
    x = 21,530.55

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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.