Home / 55,015.74-82,448.01-29,989.98

Finding the Fourth Proportional to 55,015.74, 82,448.01 and 29,989.98

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Solution

The fourth proportional to 55,015.74, 82,448.01 and 29,989.98 is: 44,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,015.74 : 82,448.01 = 29,989.98 : x
  2. Step 2: Convert to fraction form
    55,015.74/82,448.01 = 29,989.98/x
  3. Step 3: Cross multiply
    55,015.74x = 82,448.01 × 29,989.98
  4. Step 4: Simplify right side
    55,015.74x = 2,472,614,170.94
  5. Step 5: Solve for x
    x = 2,472,614,170.94/55,015.74
  6. Step 6: Final answer
    x = 44,943.76

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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.