Home / 55,126.40-82,623.96-38,395.88

Finding the Fourth Proportional to 55,126.40, 82,623.96 and 38,395.88

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Solution

The fourth proportional to 55,126.40, 82,623.96 and 38,395.88 is: 57,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,126.40 : 82,623.96 = 38,395.88 : x
  2. Step 2: Convert to fraction form
    55,126.40/82,623.96 = 38,395.88/x
  3. Step 3: Cross multiply
    55,126.40x = 82,623.96 × 38,395.88
  4. Step 4: Simplify right side
    55,126.40x = 3,172,419,653.28
  5. Step 5: Solve for x
    x = 3,172,419,653.28/55,126.40
  6. Step 6: Final answer
    x = 57,548.10

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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.