Home / 32,125.01-44,321.78-20,808.90

Finding the Fourth Proportional to 32,125.01, 44,321.78 and 20,808.90

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Solution

The fourth proportional to 32,125.01, 44,321.78 and 20,808.90 is: 28,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,125.01 : 44,321.78 = 20,808.90 : x
  2. Step 2: Convert to fraction form
    32,125.01/44,321.78 = 20,808.90/x
  3. Step 3: Cross multiply
    32,125.01x = 44,321.78 × 20,808.90
  4. Step 4: Simplify right side
    32,125.01x = 922,287,539.86
  5. Step 5: Solve for x
    x = 922,287,539.86/32,125.01
  6. Step 6: Final answer
    x = 28,709.34

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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.