Home / 29,116.80-43,646.40-11,563.20

Finding the Fourth Proportional to 29,116.80, 43,646.40 and 11,563.20

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Solution

The fourth proportional to 29,116.80, 43,646.40 and 11,563.20 is: 17,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,116.80 : 43,646.40 = 11,563.20 : x
  2. Step 2: Convert to fraction form
    29,116.80/43,646.40 = 11,563.20/x
  3. Step 3: Cross multiply
    29,116.80x = 43,646.40 × 11,563.20
  4. Step 4: Simplify right side
    29,116.80x = 504,692,052.48
  5. Step 5: Solve for x
    x = 504,692,052.48/29,116.80
  6. Step 6: Final answer
    x = 17,333.36

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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.