Home / 41,957.49-62,930.82-12,378.45

Finding the Fourth Proportional to 41,957.49, 62,930.82 and 12,378.45

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Solution

The fourth proportional to 41,957.49, 62,930.82 and 12,378.45 is: 18,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,957.49 : 62,930.82 = 12,378.45 : x
  2. Step 2: Convert to fraction form
    41,957.49/62,930.82 = 12,378.45/x
  3. Step 3: Cross multiply
    41,957.49x = 62,930.82 × 12,378.45
  4. Step 4: Simplify right side
    41,957.49x = 778,986,008.83
  5. Step 5: Solve for x
    x = 778,986,008.83/41,957.49
  6. Step 6: Final answer
    x = 18,566.08

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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.