Home / 40,809.20-61,165.20-17,116.70

Finding the Fourth Proportional to 40,809.20, 61,165.20 and 17,116.70

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Solution

The fourth proportional to 40,809.20, 61,165.20 and 17,116.70 is: 25,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,809.20 : 61,165.20 = 17,116.70 : x
  2. Step 2: Convert to fraction form
    40,809.20/61,165.20 = 17,116.70/x
  3. Step 3: Cross multiply
    40,809.20x = 61,165.20 × 17,116.70
  4. Step 4: Simplify right side
    40,809.20x = 1,046,946,378.84
  5. Step 5: Solve for x
    x = 1,046,946,378.84/40,809.20
  6. Step 6: Final answer
    x = 25,654.67

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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.