Home / 34,638.36-47,801.46-20,294.75

Finding the Fourth Proportional to 34,638.36, 47,801.46 and 20,294.75

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Solution

The fourth proportional to 34,638.36, 47,801.46 and 20,294.75 is: 28,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,638.36 : 47,801.46 = 20,294.75 : x
  2. Step 2: Convert to fraction form
    34,638.36/47,801.46 = 20,294.75/x
  3. Step 3: Cross multiply
    34,638.36x = 47,801.46 × 20,294.75
  4. Step 4: Simplify right side
    34,638.36x = 970,118,850.58
  5. Step 5: Solve for x
    x = 970,118,850.58/34,638.36
  6. Step 6: Final answer
    x = 28,007.07

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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.