Home / 32,753.87-45,187.22-20,650.37

Finding the Fourth Proportional to 32,753.87, 45,187.22 and 20,650.37

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Solution

The fourth proportional to 32,753.87, 45,187.22 and 20,650.37 is: 28,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,753.87 : 45,187.22 = 20,650.37 : x
  2. Step 2: Convert to fraction form
    32,753.87/45,187.22 = 20,650.37/x
  3. Step 3: Cross multiply
    32,753.87x = 45,187.22 × 20,650.37
  4. Step 4: Simplify right side
    32,753.87x = 933,132,648.89
  5. Step 5: Solve for x
    x = 933,132,648.89/32,753.87
  6. Step 6: Final answer
    x = 28,489.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.