Home / 29,867.12-44,779.85-13,218.05

Finding the Fourth Proportional to 29,867.12, 44,779.85 and 13,218.05

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Solution

The fourth proportional to 29,867.12, 44,779.85 and 13,218.05 is: 19,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,867.12 : 44,779.85 = 13,218.05 : x
  2. Step 2: Convert to fraction form
    29,867.12/44,779.85 = 13,218.05/x
  3. Step 3: Cross multiply
    29,867.12x = 44,779.85 × 13,218.05
  4. Step 4: Simplify right side
    29,867.12x = 591,902,391.72
  5. Step 5: Solve for x
    x = 591,902,391.72/29,867.12
  6. Step 6: Final answer
    x = 19,817.86

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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.