Home / 31,841.46-43,927.59-19,884.04

Finding the Fourth Proportional to 31,841.46, 43,927.59 and 19,884.04

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Solution

The fourth proportional to 31,841.46, 43,927.59 and 19,884.04 is: 27,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,841.46 : 43,927.59 = 19,884.04 : x
  2. Step 2: Convert to fraction form
    31,841.46/43,927.59 = 19,884.04/x
  3. Step 3: Cross multiply
    31,841.46x = 43,927.59 × 19,884.04
  4. Step 4: Simplify right side
    31,841.46x = 873,457,991.92
  5. Step 5: Solve for x
    x = 873,457,991.92/31,841.46
  6. Step 6: Final answer
    x = 27,431.47

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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.