Home / 47,438.40-71,102.82-17,837.36

Finding the Fourth Proportional to 47,438.40, 71,102.82 and 17,837.36

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Solution

The fourth proportional to 47,438.40, 71,102.82 and 17,837.36 is: 26,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,438.40 : 71,102.82 = 17,837.36 : x
  2. Step 2: Convert to fraction form
    47,438.40/71,102.82 = 17,837.36/x
  3. Step 3: Cross multiply
    47,438.40x = 71,102.82 × 17,837.36
  4. Step 4: Simplify right side
    47,438.40x = 1,268,286,241.84
  5. Step 5: Solve for x
    x = 1,268,286,241.84/47,438.40
  6. Step 6: Final answer
    x = 26,735.43

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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.