Home / 43,390.22-65,085.94-13,832.94

Finding the Fourth Proportional to 43,390.22, 65,085.94 and 13,832.94

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Solution

The fourth proportional to 43,390.22, 65,085.94 and 13,832.94 is: 20,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,390.22 : 65,085.94 = 13,832.94 : x
  2. Step 2: Convert to fraction form
    43,390.22/65,085.94 = 13,832.94/x
  3. Step 3: Cross multiply
    43,390.22x = 65,085.94 × 13,832.94
  4. Step 4: Simplify right side
    43,390.22x = 900,329,902.86
  5. Step 5: Solve for x
    x = 900,329,902.86/43,390.22
  6. Step 6: Final answer
    x = 20,749.60

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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.