Home / 32,025.60-44,179.20-21,415.68

Finding the Fourth Proportional to 32,025.60, 44,179.20 and 21,415.68

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Solution

The fourth proportional to 32,025.60, 44,179.20 and 21,415.68 is: 29,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,025.60 : 44,179.20 = 21,415.68 : x
  2. Step 2: Convert to fraction form
    32,025.60/44,179.20 = 21,415.68/x
  3. Step 3: Cross multiply
    32,025.60x = 44,179.20 × 21,415.68
  4. Step 4: Simplify right side
    32,025.60x = 946,127,609.86
  5. Step 5: Solve for x
    x = 946,127,609.86/32,025.60
  6. Step 6: Final answer
    x = 29,542.85

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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.