Home / 39,675.54-59,513.49-13,380.51

Finding the Fourth Proportional to 39,675.54, 59,513.49 and 13,380.51

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Solution

The fourth proportional to 39,675.54, 59,513.49 and 13,380.51 is: 20,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,675.54 : 59,513.49 = 13,380.51 : x
  2. Step 2: Convert to fraction form
    39,675.54/59,513.49 = 13,380.51/x
  3. Step 3: Cross multiply
    39,675.54x = 59,513.49 × 13,380.51
  4. Step 4: Simplify right side
    39,675.54x = 796,320,848.08
  5. Step 5: Solve for x
    x = 796,320,848.08/39,675.54
  6. Step 6: Final answer
    x = 20,070.83

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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.