Home / 36,449.87-54,664.99-15,390.05

Finding the Fourth Proportional to 36,449.87, 54,664.99 and 15,390.05

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Solution

The fourth proportional to 36,449.87, 54,664.99 and 15,390.05 is: 23,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,449.87 : 54,664.99 = 15,390.05 : x
  2. Step 2: Convert to fraction form
    36,449.87/54,664.99 = 15,390.05/x
  3. Step 3: Cross multiply
    36,449.87x = 54,664.99 × 15,390.05
  4. Step 4: Simplify right side
    36,449.87x = 841,296,617.55
  5. Step 5: Solve for x
    x = 841,296,617.55/36,449.87
  6. Step 6: Final answer
    x = 23,080.93

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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.