Home / 39,928.96-59,893.92-19,147.84

Finding the Fourth Proportional to 39,928.96, 59,893.92 and 19,147.84

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Solution

The fourth proportional to 39,928.96, 59,893.92 and 19,147.84 is: 28,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.96 : 59,893.92 = 19,147.84 : x
  2. Step 2: Convert to fraction form
    39,928.96/59,893.92 = 19,147.84/x
  3. Step 3: Cross multiply
    39,928.96x = 59,893.92 × 19,147.84
  4. Step 4: Simplify right side
    39,928.96x = 1,146,839,197.13
  5. Step 5: Solve for x
    x = 1,146,839,197.13/39,928.96
  6. Step 6: Final answer
    x = 28,721.99

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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.