Home / 31,755.06-43,821.32-17,607.78

Finding the Fourth Proportional to 31,755.06, 43,821.32 and 17,607.78

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Solution

The fourth proportional to 31,755.06, 43,821.32 and 17,607.78 is: 24,298.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,755.06 : 43,821.32 = 17,607.78 : x
  2. Step 2: Convert to fraction form
    31,755.06/43,821.32 = 17,607.78/x
  3. Step 3: Cross multiply
    31,755.06x = 43,821.32 × 17,607.78
  4. Step 4: Simplify right side
    31,755.06x = 771,596,161.87
  5. Step 5: Solve for x
    x = 771,596,161.87/31,755.06
  6. Step 6: Final answer
    x = 24,298.37

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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.