Home / 43,743.95-65,575.83-21,241.54

Finding the Fourth Proportional to 43,743.95, 65,575.83 and 21,241.54

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Solution

The fourth proportional to 43,743.95, 65,575.83 and 21,241.54 is: 31,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,743.95 : 65,575.83 = 21,241.54 : x
  2. Step 2: Convert to fraction form
    43,743.95/65,575.83 = 21,241.54/x
  3. Step 3: Cross multiply
    43,743.95x = 65,575.83 × 21,241.54
  4. Step 4: Simplify right side
    43,743.95x = 1,392,931,658.12
  5. Step 5: Solve for x
    x = 1,392,931,658.12/43,743.95
  6. Step 6: Final answer
    x = 31,842.84

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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.