Home / 53,692.92-80,539.38-18,632.60

Finding the Fourth Proportional to 53,692.92, 80,539.38 and 18,632.60

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Solution

The fourth proportional to 53,692.92, 80,539.38 and 18,632.60 is: 27,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,692.92 : 80,539.38 = 18,632.60 : x
  2. Step 2: Convert to fraction form
    53,692.92/80,539.38 = 18,632.60/x
  3. Step 3: Cross multiply
    53,692.92x = 80,539.38 × 18,632.60
  4. Step 4: Simplify right side
    53,692.92x = 1,500,658,051.79
  5. Step 5: Solve for x
    x = 1,500,658,051.79/53,692.92
  6. Step 6: Final answer
    x = 27,948.90

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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.