Home / 41,618.75-62,428.13-12,434.75

Finding the Fourth Proportional to 41,618.75, 62,428.13 and 12,434.75

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Solution

The fourth proportional to 41,618.75, 62,428.13 and 12,434.75 is: 18,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,618.75 : 62,428.13 = 12,434.75 : x
  2. Step 2: Convert to fraction form
    41,618.75/62,428.13 = 12,434.75/x
  3. Step 3: Cross multiply
    41,618.75x = 62,428.13 × 12,434.75
  4. Step 4: Simplify right side
    41,618.75x = 776,278,127.34
  5. Step 5: Solve for x
    x = 776,278,127.34/41,618.75
  6. Step 6: Final answer
    x = 18,652.13

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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.