Home / 31,687.17-43,739.31-19,596.91

Finding the Fourth Proportional to 31,687.17, 43,739.31 and 19,596.91

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Solution

The fourth proportional to 31,687.17, 43,739.31 and 19,596.91 is: 27,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,687.17 : 43,739.31 = 19,596.91 : x
  2. Step 2: Convert to fraction form
    31,687.17/43,739.31 = 19,596.91/x
  3. Step 3: Cross multiply
    31,687.17x = 43,739.31 × 19,596.91
  4. Step 4: Simplify right side
    31,687.17x = 857,155,380.47
  5. Step 5: Solve for x
    x = 857,155,380.47/31,687.17
  6. Step 6: Final answer
    x = 27,050.55

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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.