Home / 51,408.12-70,913.63-30,183.29

Finding the Fourth Proportional to 51,408.12, 70,913.63 and 30,183.29

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Solution

The fourth proportional to 51,408.12, 70,913.63 and 30,183.29 is: 41,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,408.12 : 70,913.63 = 30,183.29 : x
  2. Step 2: Convert to fraction form
    51,408.12/70,913.63 = 30,183.29/x
  3. Step 3: Cross multiply
    51,408.12x = 70,913.63 × 30,183.29
  4. Step 4: Simplify right side
    51,408.12x = 2,140,406,380.13
  5. Step 5: Solve for x
    x = 2,140,406,380.13/51,408.12
  6. Step 6: Final answer
    x = 41,635.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.