Home / 55,000.96-82,488.21-25,390.36

Finding the Fourth Proportional to 55,000.96, 82,488.21 and 25,390.36

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Solution

The fourth proportional to 55,000.96, 82,488.21 and 25,390.36 is: 38,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,000.96 : 82,488.21 = 25,390.36 : x
  2. Step 2: Convert to fraction form
    55,000.96/82,488.21 = 25,390.36/x
  3. Step 3: Cross multiply
    55,000.96x = 82,488.21 × 25,390.36
  4. Step 4: Simplify right side
    55,000.96x = 2,094,405,355.55
  5. Step 5: Solve for x
    x = 2,094,405,355.55/55,000.96
  6. Step 6: Final answer
    x = 38,079.43

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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.