Home / 34,120.54-47,087.79-19,013.21

Finding the Fourth Proportional to 34,120.54, 47,087.79 and 19,013.21

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Solution

The fourth proportional to 34,120.54, 47,087.79 and 19,013.21 is: 26,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,120.54 : 47,087.79 = 19,013.21 : x
  2. Step 2: Convert to fraction form
    34,120.54/47,087.79 = 19,013.21/x
  3. Step 3: Cross multiply
    34,120.54x = 47,087.79 × 19,013.21
  4. Step 4: Simplify right side
    34,120.54x = 895,290,039.71
  5. Step 5: Solve for x
    x = 895,290,039.71/34,120.54
  6. Step 6: Final answer
    x = 26,239.03

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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.