Home / 41,622.75-62,434.13-12,438.75

Finding the Fourth Proportional to 41,622.75, 62,434.13 and 12,438.75

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Solution

The fourth proportional to 41,622.75, 62,434.13 and 12,438.75 is: 18,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,622.75 : 62,434.13 = 12,438.75 : x
  2. Step 2: Convert to fraction form
    41,622.75/62,434.13 = 12,438.75/x
  3. Step 3: Cross multiply
    41,622.75x = 62,434.13 × 12,438.75
  4. Step 4: Simplify right side
    41,622.75x = 776,602,472.34
  5. Step 5: Solve for x
    x = 776,602,472.34/41,622.75
  6. Step 6: Final answer
    x = 18,658.13

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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.