Home / 34,206.51-47,192.00-20,772.69

Finding the Fourth Proportional to 34,206.51, 47,192.00 and 20,772.69

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Solution

The fourth proportional to 34,206.51, 47,192.00 and 20,772.69 is: 28,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,206.51 : 47,192.00 = 20,772.69 : x
  2. Step 2: Convert to fraction form
    34,206.51/47,192.00 = 20,772.69/x
  3. Step 3: Cross multiply
    34,206.51x = 47,192.00 × 20,772.69
  4. Step 4: Simplify right side
    34,206.51x = 980,304,682.62
  5. Step 5: Solve for x
    x = 980,304,682.62/34,206.51
  6. Step 6: Final answer
    x = 28,658.42

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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.