Home / 31,159.88-46,739.82-19,759.07

Finding the Fourth Proportional to 31,159.88, 46,739.82 and 19,759.07

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Solution

The fourth proportional to 31,159.88, 46,739.82 and 19,759.07 is: 29,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.88 : 46,739.82 = 19,759.07 : x
  2. Step 2: Convert to fraction form
    31,159.88/46,739.82 = 19,759.07/x
  3. Step 3: Cross multiply
    31,159.88x = 46,739.82 × 19,759.07
  4. Step 4: Simplify right side
    31,159.88x = 923,535,380.75
  5. Step 5: Solve for x
    x = 923,535,380.75/31,159.88
  6. Step 6: Final answer
    x = 29,638.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.