Home / 53,692.38-80,527.62-20,400.77

Finding the Fourth Proportional to 53,692.38, 80,527.62 and 20,400.77

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Solution

The fourth proportional to 53,692.38, 80,527.62 and 20,400.77 is: 30,596.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,692.38 : 80,527.62 = 20,400.77 : x
  2. Step 2: Convert to fraction form
    53,692.38/80,527.62 = 20,400.77/x
  3. Step 3: Cross multiply
    53,692.38x = 80,527.62 × 20,400.77
  4. Step 4: Simplify right side
    53,692.38x = 1,642,825,454.27
  5. Step 5: Solve for x
    x = 1,642,825,454.27/53,692.38
  6. Step 6: Final answer
    x = 30,596.99

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1.5x scale

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.