Home / 43,401.35-65,107.24-15,315.61

Finding the Fourth Proportional to 43,401.35, 65,107.24 and 15,315.61

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Solution

The fourth proportional to 43,401.35, 65,107.24 and 15,315.61 is: 22,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,401.35 : 65,107.24 = 15,315.61 : x
  2. Step 2: Convert to fraction form
    43,401.35/65,107.24 = 15,315.61/x
  3. Step 3: Cross multiply
    43,401.35x = 65,107.24 × 15,315.61
  4. Step 4: Simplify right side
    43,401.35x = 997,156,894.96
  5. Step 5: Solve for x
    x = 997,156,894.96/43,401.35
  6. Step 6: Final answer
    x = 22,975.25

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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.