Home / 39,690.63-59,537.31-19,958.43

Finding the Fourth Proportional to 39,690.63, 59,537.31 and 19,958.43

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Solution

The fourth proportional to 39,690.63, 59,537.31 and 19,958.43 is: 29,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690.63 : 59,537.31 = 19,958.43 : x
  2. Step 2: Convert to fraction form
    39,690.63/59,537.31 = 19,958.43/x
  3. Step 3: Cross multiply
    39,690.63x = 59,537.31 × 19,958.43
  4. Step 4: Simplify right side
    39,690.63x = 1,188,271,234.02
  5. Step 5: Solve for x
    x = 1,188,271,234.02/39,690.63
  6. Step 6: Final answer
    x = 29,938.33

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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.