Home / 31,774.10-43,841.94-19,198.88

Finding the Fourth Proportional to 31,774.10, 43,841.94 and 19,198.88

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Solution

The fourth proportional to 31,774.10, 43,841.94 and 19,198.88 is: 26,490.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,774.10 : 43,841.94 = 19,198.88 : x
  2. Step 2: Convert to fraction form
    31,774.10/43,841.94 = 19,198.88/x
  3. Step 3: Cross multiply
    31,774.10x = 43,841.94 × 19,198.88
  4. Step 4: Simplify right side
    31,774.10x = 841,716,145.03
  5. Step 5: Solve for x
    x = 841,716,145.03/31,774.10
  6. Step 6: Final answer
    x = 26,490.64

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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.