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Finding the Fourth Proportional to 71,368.79, 107,054.91 and 23,984.57

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Solution

The fourth proportional to 71,368.79, 107,054.91 and 23,984.57 is: 35,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,368.79 : 107,054.91 = 23,984.57 : x
  2. Step 2: Convert to fraction form
    71,368.79/107,054.91 = 23,984.57/x
  3. Step 3: Cross multiply
    71,368.79x = 107,054.91 × 23,984.57
  4. Step 4: Simplify right side
    71,368.79x = 2,567,665,447.46
  5. Step 5: Solve for x
    x = 2,567,665,447.46/71,368.79
  6. Step 6: Final answer
    x = 35,977.43

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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.