Home / 45,271.46-62,474-25,128.30

Finding the Fourth Proportional to 45,271.46, 62,474 and 25,128.30

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Solution

The fourth proportional to 45,271.46, 62,474 and 25,128.30 is: 34,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,271.46 : 62,474 = 25,128.30 : x
  2. Step 2: Convert to fraction form
    45,271.46/62,474 = 25,128.30/x
  3. Step 3: Cross multiply
    45,271.46x = 62,474 × 25,128.30
  4. Step 4: Simplify right side
    45,271.46x = 1,569,865,414.20
  5. Step 5: Solve for x
    x = 1,569,865,414.20/45,271.46
  6. Step 6: Final answer
    x = 34,676.71

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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.