Home / 55,133.32-82,625.72-30,135.82

Finding the Fourth Proportional to 55,133.32, 82,625.72 and 30,135.82

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Solution

The fourth proportional to 55,133.32, 82,625.72 and 30,135.82 is: 45,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133.32 : 82,625.72 = 30,135.82 : x
  2. Step 2: Convert to fraction form
    55,133.32/82,625.72 = 30,135.82/x
  3. Step 3: Cross multiply
    55,133.32x = 82,625.72 × 30,135.82
  4. Step 4: Simplify right side
    55,133.32x = 2,489,993,825.29
  5. Step 5: Solve for x
    x = 2,489,993,825.29/55,133.32
  6. Step 6: Final answer
    x = 45,163.14

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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.