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Finding the Fourth Proportional to 31,958.52, 44,099.52 and 18,534.26

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Solution

The fourth proportional to 31,958.52, 44,099.52 and 18,534.26 is: 25,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,958.52 : 44,099.52 = 18,534.26 : x
  2. Step 2: Convert to fraction form
    31,958.52/44,099.52 = 18,534.26/x
  3. Step 3: Cross multiply
    31,958.52x = 44,099.52 × 18,534.26
  4. Step 4: Simplify right side
    31,958.52x = 817,351,749.06
  5. Step 5: Solve for x
    x = 817,351,749.06/31,958.52
  6. Step 6: Final answer
    x = 25,575.39

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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.