Home / 31,675.25-43,711.45-19,100.00

Finding the Fourth Proportional to 31,675.25, 43,711.45 and 19,100.00

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Solution

The fourth proportional to 31,675.25, 43,711.45 and 19,100.00 is: 26,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675.25 : 43,711.45 = 19,100.00 : x
  2. Step 2: Convert to fraction form
    31,675.25/43,711.45 = 19,100.00/x
  3. Step 3: Cross multiply
    31,675.25x = 43,711.45 × 19,100.00
  4. Step 4: Simplify right side
    31,675.25x = 834,888,756.53
  5. Step 5: Solve for x
    x = 834,888,756.53/31,675.25
  6. Step 6: Final answer
    x = 26,357.76

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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.