Home / 33,209.67-45,830.20-18,869.03

Finding the Fourth Proportional to 33,209.67, 45,830.20 and 18,869.03

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Solution

The fourth proportional to 33,209.67, 45,830.20 and 18,869.03 is: 26,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,209.67 : 45,830.20 = 18,869.03 : x
  2. Step 2: Convert to fraction form
    33,209.67/45,830.20 = 18,869.03/x
  3. Step 3: Cross multiply
    33,209.67x = 45,830.20 × 18,869.03
  4. Step 4: Simplify right side
    33,209.67x = 864,771,142.38
  5. Step 5: Solve for x
    x = 864,771,142.38/33,209.67
  6. Step 6: Final answer
    x = 26,039.74

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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.