Home / 30,722.74-42,396.90-17,293.96

Finding the Fourth Proportional to 30,722.74, 42,396.90 and 17,293.96

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Solution

The fourth proportional to 30,722.74, 42,396.90 and 17,293.96 is: 23,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,722.74 : 42,396.90 = 17,293.96 : x
  2. Step 2: Convert to fraction form
    30,722.74/42,396.90 = 17,293.96/x
  3. Step 3: Cross multiply
    30,722.74x = 42,396.90 × 17,293.96
  4. Step 4: Simplify right side
    30,722.74x = 733,210,292.72
  5. Step 5: Solve for x
    x = 733,210,292.72/30,722.74
  6. Step 6: Final answer
    x = 23,865.39

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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.