Home / 30,261.44-45,397.92-11,792

Finding the Fourth Proportional to 30,261.44, 45,397.92 and 11,792

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Solution

The fourth proportional to 30,261.44, 45,397.92 and 11,792 is: 17,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.44 : 45,397.92 = 11,792 : x
  2. Step 2: Convert to fraction form
    30,261.44/45,397.92 = 11,792/x
  3. Step 3: Cross multiply
    30,261.44x = 45,397.92 × 11,792
  4. Step 4: Simplify right side
    30,261.44x = 535,332,272.64
  5. Step 5: Solve for x
    x = 535,332,272.64/30,261.44
  6. Step 6: Final answer
    x = 17,690.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.