Home / 31,754.88-43,821.36-17,415.45

Finding the Fourth Proportional to 31,754.88, 43,821.36 and 17,415.45

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Solution

The fourth proportional to 31,754.88, 43,821.36 and 17,415.45 is: 24,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.88 : 43,821.36 = 17,415.45 : x
  2. Step 2: Convert to fraction form
    31,754.88/43,821.36 = 17,415.45/x
  3. Step 3: Cross multiply
    31,754.88x = 43,821.36 × 17,415.45
  4. Step 4: Simplify right side
    31,754.88x = 763,168,704.01
  5. Step 5: Solve for x
    x = 763,168,704.01/31,754.88
  6. Step 6: Final answer
    x = 24,033.12

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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.