Home / 34,454.34-47,558.97-20,306.25

Finding the Fourth Proportional to 34,454.34, 47,558.97 and 20,306.25

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Solution

The fourth proportional to 34,454.34, 47,558.97 and 20,306.25 is: 28,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,454.34 : 47,558.97 = 20,306.25 : x
  2. Step 2: Convert to fraction form
    34,454.34/47,558.97 = 20,306.25/x
  3. Step 3: Cross multiply
    34,454.34x = 47,558.97 × 20,306.25
  4. Step 4: Simplify right side
    34,454.34x = 965,744,334.56
  5. Step 5: Solve for x
    x = 965,744,334.56/34,454.34
  6. Step 6: Final answer
    x = 28,029.69

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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.