Home / 51,172.20-76,752.96-13,736.28

Finding the Fourth Proportional to 51,172.20, 76,752.96 and 13,736.28

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Solution

The fourth proportional to 51,172.20, 76,752.96 and 13,736.28 is: 20,602.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,172.20 : 76,752.96 = 13,736.28 : x
  2. Step 2: Convert to fraction form
    51,172.20/76,752.96 = 13,736.28/x
  3. Step 3: Cross multiply
    51,172.20x = 76,752.96 × 13,736.28
  4. Step 4: Simplify right side
    51,172.20x = 1,054,300,149.39
  5. Step 5: Solve for x
    x = 1,054,300,149.39/51,172.20
  6. Step 6: Final answer
    x = 20,602.99

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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.