Home / 43,461.21-65,180.46-15,378.51

Finding the Fourth Proportional to 43,461.21, 65,180.46 and 15,378.51

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Solution

The fourth proportional to 43,461.21, 65,180.46 and 15,378.51 is: 23,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,461.21 : 65,180.46 = 15,378.51 : x
  2. Step 2: Convert to fraction form
    43,461.21/65,180.46 = 15,378.51/x
  3. Step 3: Cross multiply
    43,461.21x = 65,180.46 × 15,378.51
  4. Step 4: Simplify right side
    43,461.21x = 1,002,378,355.91
  5. Step 5: Solve for x
    x = 1,002,378,355.91/43,461.21
  6. Step 6: Final answer
    x = 23,063.75

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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.