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Finding the Fourth Proportional to 34,375.59, 47,440.89 and 19,268.28

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Solution

The fourth proportional to 34,375.59, 47,440.89 and 19,268.28 is: 26,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,375.59 : 47,440.89 = 19,268.28 : x
  2. Step 2: Convert to fraction form
    34,375.59/47,440.89 = 19,268.28/x
  3. Step 3: Cross multiply
    34,375.59x = 47,440.89 × 19,268.28
  4. Step 4: Simplify right side
    34,375.59x = 914,104,351.97
  5. Step 5: Solve for x
    x = 914,104,351.97/34,375.59
  6. Step 6: Final answer
    x = 26,591.67

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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.