Home / 32,857.30-45,346.64-20,119.06

Finding the Fourth Proportional to 32,857.30, 45,346.64 and 20,119.06

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Solution

The fourth proportional to 32,857.30, 45,346.64 and 20,119.06 is: 27,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,857.30 : 45,346.64 = 20,119.06 : x
  2. Step 2: Convert to fraction form
    32,857.30/45,346.64 = 20,119.06/x
  3. Step 3: Cross multiply
    32,857.30x = 45,346.64 × 20,119.06
  4. Step 4: Simplify right side
    32,857.30x = 912,331,770.96
  5. Step 5: Solve for x
    x = 912,331,770.96/32,857.30
  6. Step 6: Final answer
    x = 27,766.49

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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.