Home / 34,120.88-47,087.15-19,974.02

Finding the Fourth Proportional to 34,120.88, 47,087.15 and 19,974.02

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Solution

The fourth proportional to 34,120.88, 47,087.15 and 19,974.02 is: 27,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,120.88 : 47,087.15 = 19,974.02 : x
  2. Step 2: Convert to fraction form
    34,120.88/47,087.15 = 19,974.02/x
  3. Step 3: Cross multiply
    34,120.88x = 47,087.15 × 19,974.02
  4. Step 4: Simplify right side
    34,120.88x = 940,519,675.84
  5. Step 5: Solve for x
    x = 940,519,675.84/34,120.88
  6. Step 6: Final answer
    x = 27,564.34

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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.