Home / 30,548.01-45,822.62-13,896.43

Finding the Fourth Proportional to 30,548.01, 45,822.62 and 13,896.43

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Solution

The fourth proportional to 30,548.01, 45,822.62 and 13,896.43 is: 20,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,548.01 : 45,822.62 = 13,896.43 : x
  2. Step 2: Convert to fraction form
    30,548.01/45,822.62 = 13,896.43/x
  3. Step 3: Cross multiply
    30,548.01x = 45,822.62 × 13,896.43
  4. Step 4: Simplify right side
    30,548.01x = 636,770,831.25
  5. Step 5: Solve for x
    x = 636,770,831.25/30,548.01
  6. Step 6: Final answer
    x = 20,844.92

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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.