Home / 34,122.84-47,089.87-19,786.03

Finding the Fourth Proportional to 34,122.84, 47,089.87 and 19,786.03

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Solution

The fourth proportional to 34,122.84, 47,089.87 and 19,786.03 is: 27,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,122.84 : 47,089.87 = 19,786.03 : x
  2. Step 2: Convert to fraction form
    34,122.84/47,089.87 = 19,786.03/x
  3. Step 3: Cross multiply
    34,122.84x = 47,089.87 × 19,786.03
  4. Step 4: Simplify right side
    34,122.84x = 931,721,474.26
  5. Step 5: Solve for x
    x = 931,721,474.26/34,122.84
  6. Step 6: Final answer
    x = 27,304.92

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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.