Home / 32,945.34-45,452.74-18,789.99

Finding the Fourth Proportional to 32,945.34, 45,452.74 and 18,789.99

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Solution

The fourth proportional to 32,945.34, 45,452.74 and 18,789.99 is: 25,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,945.34 : 45,452.74 = 18,789.99 : x
  2. Step 2: Convert to fraction form
    32,945.34/45,452.74 = 18,789.99/x
  3. Step 3: Cross multiply
    32,945.34x = 45,452.74 × 18,789.99
  4. Step 4: Simplify right side
    32,945.34x = 854,056,530.07
  5. Step 5: Solve for x
    x = 854,056,530.07/32,945.34
  6. Step 6: Final answer
    x = 25,923.44

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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.