Home / 33,830.40-46,686.24-19,687.44

Finding the Fourth Proportional to 33,830.40, 46,686.24 and 19,687.44

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Solution

The fourth proportional to 33,830.40, 46,686.24 and 19,687.44 is: 27,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,830.40 : 46,686.24 = 19,687.44 : x
  2. Step 2: Convert to fraction form
    33,830.40/46,686.24 = 19,687.44/x
  3. Step 3: Cross multiply
    33,830.40x = 46,686.24 × 19,687.44
  4. Step 4: Simplify right side
    33,830.40x = 919,132,548.83
  5. Step 5: Solve for x
    x = 919,132,548.83/33,830.40
  6. Step 6: Final answer
    x = 27,168.83

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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.