Home / 35,480.14-53,222.94-20,690.56

Finding the Fourth Proportional to 35,480.14, 53,222.94 and 20,690.56

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Solution

The fourth proportional to 35,480.14, 53,222.94 and 20,690.56 is: 31,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.14 : 53,222.94 = 20,690.56 : x
  2. Step 2: Convert to fraction form
    35,480.14/53,222.94 = 20,690.56/x
  3. Step 3: Cross multiply
    35,480.14x = 53,222.94 × 20,690.56
  4. Step 4: Simplify right side
    35,480.14x = 1,101,212,433.45
  5. Step 5: Solve for x
    x = 1,101,212,433.45/35,480.14
  6. Step 6: Final answer
    x = 31,037.43

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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.