Home / 32,958.60-45,487.34-20,209.50

Finding the Fourth Proportional to 32,958.60, 45,487.34 and 20,209.50

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Solution

The fourth proportional to 32,958.60, 45,487.34 and 20,209.50 is: 27,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,958.60 : 45,487.34 = 20,209.50 : x
  2. Step 2: Convert to fraction form
    32,958.60/45,487.34 = 20,209.50/x
  3. Step 3: Cross multiply
    32,958.60x = 45,487.34 × 20,209.50
  4. Step 4: Simplify right side
    32,958.60x = 919,276,372.47
  5. Step 5: Solve for x
    x = 919,276,372.47/32,958.60
  6. Step 6: Final answer
    x = 27,891.85

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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.