Home / 43,850.89-65,780.18-12,261.29

Finding the Fourth Proportional to 43,850.89, 65,780.18 and 12,261.29

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Solution

The fourth proportional to 43,850.89, 65,780.18 and 12,261.29 is: 18,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,850.89 : 65,780.18 = 12,261.29 : x
  2. Step 2: Convert to fraction form
    43,850.89/65,780.18 = 12,261.29/x
  3. Step 3: Cross multiply
    43,850.89x = 65,780.18 × 12,261.29
  4. Step 4: Simplify right side
    43,850.89x = 806,549,801.93
  5. Step 5: Solve for x
    x = 806,549,801.93/43,850.89
  6. Step 6: Final answer
    x = 18,393.01

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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.