Home / 51,287.98-76,913.73-19,700.41

Finding the Fourth Proportional to 51,287.98, 76,913.73 and 19,700.41

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Solution

The fourth proportional to 51,287.98, 76,913.73 and 19,700.41 is: 29,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287.98 : 76,913.73 = 19,700.41 : x
  2. Step 2: Convert to fraction form
    51,287.98/76,913.73 = 19,700.41/x
  3. Step 3: Cross multiply
    51,287.98x = 76,913.73 × 19,700.41
  4. Step 4: Simplify right side
    51,287.98x = 1,515,232,015.63
  5. Step 5: Solve for x
    x = 1,515,232,015.63/51,287.98
  6. Step 6: Final answer
    x = 29,543.61

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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.