Home / 52,448.45-72,388.22-30,936.87

Finding the Fourth Proportional to 52,448.45, 72,388.22 and 30,936.87

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Solution

The fourth proportional to 52,448.45, 72,388.22 and 30,936.87 is: 42,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,448.45 : 72,388.22 = 30,936.87 : x
  2. Step 2: Convert to fraction form
    52,448.45/72,388.22 = 30,936.87/x
  3. Step 3: Cross multiply
    52,448.45x = 72,388.22 × 30,936.87
  4. Step 4: Simplify right side
    52,448.45x = 2,239,464,796.99
  5. Step 5: Solve for x
    x = 2,239,464,796.99/52,448.45
  6. Step 6: Final answer
    x = 42,698.40

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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.