Home / 54,807.42-82,219.38-19,738.86

Finding the Fourth Proportional to 54,807.42, 82,219.38 and 19,738.86

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Solution

The fourth proportional to 54,807.42, 82,219.38 and 19,738.86 is: 29,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,807.42 : 82,219.38 = 19,738.86 : x
  2. Step 2: Convert to fraction form
    54,807.42/82,219.38 = 19,738.86/x
  3. Step 3: Cross multiply
    54,807.42x = 82,219.38 × 19,738.86
  4. Step 4: Simplify right side
    54,807.42x = 1,622,916,831.11
  5. Step 5: Solve for x
    x = 1,622,916,831.11/54,807.42
  6. Step 6: Final answer
    x = 29,611.26

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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.