Home / 39,704.28-54,781.68-23,777.40

Finding the Fourth Proportional to 39,704.28, 54,781.68 and 23,777.40

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Solution

The fourth proportional to 39,704.28, 54,781.68 and 23,777.40 is: 32,806.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,704.28 : 54,781.68 = 23,777.40 : x
  2. Step 2: Convert to fraction form
    39,704.28/54,781.68 = 23,777.40/x
  3. Step 3: Cross multiply
    39,704.28x = 54,781.68 × 23,777.40
  4. Step 4: Simplify right side
    39,704.28x = 1,302,565,918.03
  5. Step 5: Solve for x
    x = 1,302,565,918.03/39,704.28
  6. Step 6: Final answer
    x = 32,806.69

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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.