Home / 32,909.94-45,416.58-20,162.88

Finding the Fourth Proportional to 32,909.94, 45,416.58 and 20,162.88

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Solution

The fourth proportional to 32,909.94, 45,416.58 and 20,162.88 is: 27,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,909.94 : 45,416.58 = 20,162.88 : x
  2. Step 2: Convert to fraction form
    32,909.94/45,416.58 = 20,162.88/x
  3. Step 3: Cross multiply
    32,909.94x = 45,416.58 × 20,162.88
  4. Step 4: Simplify right side
    32,909.94x = 915,729,052.55
  5. Step 5: Solve for x
    x = 915,729,052.55/32,909.94
  6. Step 6: Final answer
    x = 27,825.30

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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.