Home / 34,157.97-47,138.27-19,051.60

Finding the Fourth Proportional to 34,157.97, 47,138.27 and 19,051.60

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Solution

The fourth proportional to 34,157.97, 47,138.27 and 19,051.60 is: 26,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157.97 : 47,138.27 = 19,051.60 : x
  2. Step 2: Convert to fraction form
    34,157.97/47,138.27 = 19,051.60/x
  3. Step 3: Cross multiply
    34,157.97x = 47,138.27 × 19,051.60
  4. Step 4: Simplify right side
    34,157.97x = 898,059,464.73
  5. Step 5: Solve for x
    x = 898,059,464.73/34,157.97
  6. Step 6: Final answer
    x = 26,291.36

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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.