Home / 34,172.20-51,258.30-15,740.20

Finding the Fourth Proportional to 34,172.20, 51,258.30 and 15,740.20

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Solution

The fourth proportional to 34,172.20, 51,258.30 and 15,740.20 is: 23,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,172.20 : 51,258.30 = 15,740.20 : x
  2. Step 2: Convert to fraction form
    34,172.20/51,258.30 = 15,740.20/x
  3. Step 3: Cross multiply
    34,172.20x = 51,258.30 × 15,740.20
  4. Step 4: Simplify right side
    34,172.20x = 806,815,893.66
  5. Step 5: Solve for x
    x = 806,815,893.66/34,172.20
  6. Step 6: Final answer
    x = 23,610.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.