Home / 55,009.94-82,440.99-30,012.53

Finding the Fourth Proportional to 55,009.94, 82,440.99 and 30,012.53

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Solution

The fourth proportional to 55,009.94, 82,440.99 and 30,012.53 is: 44,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,009.94 : 82,440.99 = 30,012.53 : x
  2. Step 2: Convert to fraction form
    55,009.94/82,440.99 = 30,012.53/x
  3. Step 3: Cross multiply
    55,009.94x = 82,440.99 × 30,012.53
  4. Step 4: Simplify right side
    55,009.94x = 2,474,262,273.40
  5. Step 5: Solve for x
    x = 2,474,262,273.40/55,009.94
  6. Step 6: Final answer
    x = 44,978.46

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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.