Home / 39,404.12-54,384.71-23,489.60

Finding the Fourth Proportional to 39,404.12, 54,384.71 and 23,489.60

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Solution

The fourth proportional to 39,404.12, 54,384.71 and 23,489.60 is: 32,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,404.12 : 54,384.71 = 23,489.60 : x
  2. Step 2: Convert to fraction form
    39,404.12/54,384.71 = 23,489.60/x
  3. Step 3: Cross multiply
    39,404.12x = 54,384.71 × 23,489.60
  4. Step 4: Simplify right side
    39,404.12x = 1,277,474,694.64
  5. Step 5: Solve for x
    x = 1,277,474,694.64/39,404.12
  6. Step 6: Final answer
    x = 32,419.83

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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.