Home / 51,334.84-76,980.66-21,751.48

Finding the Fourth Proportional to 51,334.84, 76,980.66 and 21,751.48

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Solution

The fourth proportional to 51,334.84, 76,980.66 and 21,751.48 is: 32,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,334.84 : 76,980.66 = 21,751.48 : x
  2. Step 2: Convert to fraction form
    51,334.84/76,980.66 = 21,751.48/x
  3. Step 3: Cross multiply
    51,334.84x = 76,980.66 × 21,751.48
  4. Step 4: Simplify right side
    51,334.84x = 1,674,443,286.38
  5. Step 5: Solve for x
    x = 1,674,443,286.38/51,334.84
  6. Step 6: Final answer
    x = 32,618.07

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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.