Home / 29,504.88-40,731.80-19,995

Finding the Fourth Proportional to 29,504.88, 40,731.80 and 19,995

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Solution

The fourth proportional to 29,504.88, 40,731.80 and 19,995 is: 27,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,504.88 : 40,731.80 = 19,995 : x
  2. Step 2: Convert to fraction form
    29,504.88/40,731.80 = 19,995/x
  3. Step 3: Cross multiply
    29,504.88x = 40,731.80 × 19,995
  4. Step 4: Simplify right side
    29,504.88x = 814,432,241.03
  5. Step 5: Solve for x
    x = 814,432,241.03/29,504.88
  6. Step 6: Final answer
    x = 27,603.31

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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.