Home / 43,418.64-65,135.76-15,354.96

Finding the Fourth Proportional to 43,418.64, 65,135.76 and 15,354.96

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Solution

The fourth proportional to 43,418.64, 65,135.76 and 15,354.96 is: 23,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,418.64 : 65,135.76 = 15,354.96 : x
  2. Step 2: Convert to fraction form
    43,418.64/65,135.76 = 15,354.96/x
  3. Step 3: Cross multiply
    43,418.64x = 65,135.76 × 15,354.96
  4. Step 4: Simplify right side
    43,418.64x = 1,000,156,989.37
  5. Step 5: Solve for x
    x = 1,000,156,989.37/43,418.64
  6. Step 6: Final answer
    x = 23,035.20

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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.