Home / 35,974.76-53,986.38-12,601.40

Finding the Fourth Proportional to 35,974.76, 53,986.38 and 12,601.40

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Solution

The fourth proportional to 35,974.76, 53,986.38 and 12,601.40 is: 18,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,974.76 : 53,986.38 = 12,601.40 : x
  2. Step 2: Convert to fraction form
    35,974.76/53,986.38 = 12,601.40/x
  3. Step 3: Cross multiply
    35,974.76x = 53,986.38 × 12,601.40
  4. Step 4: Simplify right side
    35,974.76x = 680,303,968.93
  5. Step 5: Solve for x
    x = 680,303,968.93/35,974.76
  6. Step 6: Final answer
    x = 18,910.59

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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.