Home / 29,205.12-43,822.40-11,680

Finding the Fourth Proportional to 29,205.12, 43,822.40 and 11,680

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Solution

The fourth proportional to 29,205.12, 43,822.40 and 11,680 is: 17,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,205.12 : 43,822.40 = 11,680 : x
  2. Step 2: Convert to fraction form
    29,205.12/43,822.40 = 11,680/x
  3. Step 3: Cross multiply
    29,205.12x = 43,822.40 × 11,680
  4. Step 4: Simplify right side
    29,205.12x = 511,845,632
  5. Step 5: Solve for x
    x = 511,845,632/29,205.12
  6. Step 6: Final answer
    x = 17,525.89

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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.