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Finding the Fourth Proportional to 44,698.81, 67,048.21 and 11,418.95

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Solution

The fourth proportional to 44,698.81, 67,048.21 and 11,418.95 is: 17,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,698.81 : 67,048.21 = 11,418.95 : x
  2. Step 2: Convert to fraction form
    44,698.81/67,048.21 = 11,418.95/x
  3. Step 3: Cross multiply
    44,698.81x = 67,048.21 × 11,418.95
  4. Step 4: Simplify right side
    44,698.81x = 765,619,822.34
  5. Step 5: Solve for x
    x = 765,619,822.34/44,698.81
  6. Step 6: Final answer
    x = 17,128.42

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1.5x scale

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.