Home / 31,776.56-43,853.48-19,205.36

Finding the Fourth Proportional to 31,776.56, 43,853.48 and 19,205.36

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Solution

The fourth proportional to 31,776.56, 43,853.48 and 19,205.36 is: 26,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776.56 : 43,853.48 = 19,205.36 : x
  2. Step 2: Convert to fraction form
    31,776.56/43,853.48 = 19,205.36/x
  3. Step 3: Cross multiply
    31,776.56x = 43,853.48 × 19,205.36
  4. Step 4: Simplify right side
    31,776.56x = 842,221,870.65
  5. Step 5: Solve for x
    x = 842,221,870.65/31,776.56
  6. Step 6: Final answer
    x = 26,504.50

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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.