Home / 40,518.15-60,769.53-17,160.99

Finding the Fourth Proportional to 40,518.15, 60,769.53 and 17,160.99

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Solution

The fourth proportional to 40,518.15, 60,769.53 and 17,160.99 is: 25,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,518.15 : 60,769.53 = 17,160.99 : x
  2. Step 2: Convert to fraction form
    40,518.15/60,769.53 = 17,160.99/x
  3. Step 3: Cross multiply
    40,518.15x = 60,769.53 × 17,160.99
  4. Step 4: Simplify right side
    40,518.15x = 1,042,865,296.63
  5. Step 5: Solve for x
    x = 1,042,865,296.63/40,518.15
  6. Step 6: Final answer
    x = 25,738.23

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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.