Home / 43,867.34-65,779.13-20,167.55

Finding the Fourth Proportional to 43,867.34, 65,779.13 and 20,167.55

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Solution

The fourth proportional to 43,867.34, 65,779.13 and 20,167.55 is: 30,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,867.34 : 65,779.13 = 20,167.55 : x
  2. Step 2: Convert to fraction form
    43,867.34/65,779.13 = 20,167.55/x
  3. Step 3: Cross multiply
    43,867.34x = 65,779.13 × 20,167.55
  4. Step 4: Simplify right side
    43,867.34x = 1,326,603,463.50
  5. Step 5: Solve for x
    x = 1,326,603,463.50/43,867.34
  6. Step 6: Final answer
    x = 30,241.26

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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.