Home / 39,396.94-54,366.53-22,403.03

Finding the Fourth Proportional to 39,396.94, 54,366.53 and 22,403.03

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Solution

The fourth proportional to 39,396.94, 54,366.53 and 22,403.03 is: 30,915.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,396.94 : 54,366.53 = 22,403.03 : x
  2. Step 2: Convert to fraction form
    39,396.94/54,366.53 = 22,403.03/x
  3. Step 3: Cross multiply
    39,396.94x = 54,366.53 × 22,403.03
  4. Step 4: Simplify right side
    39,396.94x = 1,217,975,002.59
  5. Step 5: Solve for x
    x = 1,217,975,002.59/39,396.94
  6. Step 6: Final answer
    x = 30,915.47

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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.