Home / 31,705.80-43,755.72-17,558.76

Finding the Fourth Proportional to 31,705.80, 43,755.72 and 17,558.76

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Solution

The fourth proportional to 31,705.80, 43,755.72 and 17,558.76 is: 24,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.80 : 43,755.72 = 17,558.76 : x
  2. Step 2: Convert to fraction form
    31,705.80/43,755.72 = 17,558.76/x
  3. Step 3: Cross multiply
    31,705.80x = 43,755.72 × 17,558.76
  4. Step 4: Simplify right side
    31,705.80x = 768,296,186.11
  5. Step 5: Solve for x
    x = 768,296,186.11/31,705.80
  6. Step 6: Final answer
    x = 24,232.04

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Half scale
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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.