Home / 31,705.74-43,754.85-17,558.82

Finding the Fourth Proportional to 31,705.74, 43,754.85 and 17,558.82

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Solution

The fourth proportional to 31,705.74, 43,754.85 and 17,558.82 is: 24,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.74 : 43,754.85 = 17,558.82 : x
  2. Step 2: Convert to fraction form
    31,705.74/43,754.85 = 17,558.82/x
  3. Step 3: Cross multiply
    31,705.74x = 43,754.85 × 17,558.82
  4. Step 4: Simplify right side
    31,705.74x = 768,283,535.28
  5. Step 5: Solve for x
    x = 768,283,535.28/31,705.74
  6. Step 6: Final answer
    x = 24,231.69

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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.