Home / 55,390.46-76,438.43-30,239.96

Finding the Fourth Proportional to 55,390.46, 76,438.43 and 30,239.96

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Solution

The fourth proportional to 55,390.46, 76,438.43 and 30,239.96 is: 41,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,390.46 : 76,438.43 = 30,239.96 : x
  2. Step 2: Convert to fraction form
    55,390.46/76,438.43 = 30,239.96/x
  3. Step 3: Cross multiply
    55,390.46x = 76,438.43 × 30,239.96
  4. Step 4: Simplify right side
    55,390.46x = 2,311,494,532.27
  5. Step 5: Solve for x
    x = 2,311,494,532.27/55,390.46
  6. Step 6: Final answer
    x = 41,730.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.