Home / 39,843.36-59,692.94-28,689.66

Finding the Fourth Proportional to 39,843.36, 59,692.94 and 28,689.66

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Solution

The fourth proportional to 39,843.36, 59,692.94 and 28,689.66 is: 42,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,843.36 : 59,692.94 = 28,689.66 : x
  2. Step 2: Convert to fraction form
    39,843.36/59,692.94 = 28,689.66/x
  3. Step 3: Cross multiply
    39,843.36x = 59,692.94 × 28,689.66
  4. Step 4: Simplify right side
    39,843.36x = 1,712,570,153.00
  5. Step 5: Solve for x
    x = 1,712,570,153.00/39,843.36
  6. Step 6: Final answer
    x = 42,982.57

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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.