Home / 51,064.76-76,585.32-19,478.36

Finding the Fourth Proportional to 51,064.76, 76,585.32 and 19,478.36

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Solution

The fourth proportional to 51,064.76, 76,585.32 and 19,478.36 is: 29,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,064.76 : 76,585.32 = 19,478.36 : x
  2. Step 2: Convert to fraction form
    51,064.76/76,585.32 = 19,478.36/x
  3. Step 3: Cross multiply
    51,064.76x = 76,585.32 × 19,478.36
  4. Step 4: Simplify right side
    51,064.76x = 1,491,756,433.68
  5. Step 5: Solve for x
    x = 1,491,756,433.68/51,064.76
  6. Step 6: Final answer
    x = 29,213.03

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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.