Home / 31,748.88-43,817.90-19,653.24

Finding the Fourth Proportional to 31,748.88, 43,817.90 and 19,653.24

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Solution

The fourth proportional to 31,748.88, 43,817.90 and 19,653.24 is: 27,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,748.88 : 43,817.90 = 19,653.24 : x
  2. Step 2: Convert to fraction form
    31,748.88/43,817.90 = 19,653.24/x
  3. Step 3: Cross multiply
    31,748.88x = 43,817.90 × 19,653.24
  4. Step 4: Simplify right side
    31,748.88x = 861,163,705.00
  5. Step 5: Solve for x
    x = 861,163,705.00/31,748.88
  6. Step 6: Final answer
    x = 27,124.22

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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.