Home / 31,938.99-44,028.54-20,452.68

Finding the Fourth Proportional to 31,938.99, 44,028.54 and 20,452.68

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Solution

The fourth proportional to 31,938.99, 44,028.54 and 20,452.68 is: 28,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938.99 : 44,028.54 = 20,452.68 : x
  2. Step 2: Convert to fraction form
    31,938.99/44,028.54 = 20,452.68/x
  3. Step 3: Cross multiply
    31,938.99x = 44,028.54 × 20,452.68
  4. Step 4: Simplify right side
    31,938.99x = 900,501,690.62
  5. Step 5: Solve for x
    x = 900,501,690.62/31,938.99
  6. Step 6: Final answer
    x = 28,194.44

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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.