Home / 55,087.21-82,567.41-25,442.74

Finding the Fourth Proportional to 55,087.21, 82,567.41 and 25,442.74

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Solution

The fourth proportional to 55,087.21, 82,567.41 and 25,442.74 is: 38,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,087.21 : 82,567.41 = 25,442.74 : x
  2. Step 2: Convert to fraction form
    55,087.21/82,567.41 = 25,442.74/x
  3. Step 3: Cross multiply
    55,087.21x = 82,567.41 × 25,442.74
  4. Step 4: Simplify right side
    55,087.21x = 2,100,741,145.10
  5. Step 5: Solve for x
    x = 2,100,741,145.10/55,087.21
  6. Step 6: Final answer
    x = 38,134.83

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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.