Home / 51,060.65-76,544.28-21,480.57

Finding the Fourth Proportional to 51,060.65, 76,544.28 and 21,480.57

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Solution

The fourth proportional to 51,060.65, 76,544.28 and 21,480.57 is: 32,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,060.65 : 76,544.28 = 21,480.57 : x
  2. Step 2: Convert to fraction form
    51,060.65/76,544.28 = 21,480.57/x
  3. Step 3: Cross multiply
    51,060.65x = 76,544.28 × 21,480.57
  4. Step 4: Simplify right side
    51,060.65x = 1,644,214,764.64
  5. Step 5: Solve for x
    x = 1,644,214,764.64/51,060.65
  6. Step 6: Final answer
    x = 32,201.21

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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.