Home / 51,169.20-76,748.46-13,733.28

Finding the Fourth Proportional to 51,169.20, 76,748.46 and 13,733.28

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Solution

The fourth proportional to 51,169.20, 76,748.46 and 13,733.28 is: 20,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,169.20 : 76,748.46 = 13,733.28 : x
  2. Step 2: Convert to fraction form
    51,169.20/76,748.46 = 13,733.28/x
  3. Step 3: Cross multiply
    51,169.20x = 76,748.46 × 13,733.28
  4. Step 4: Simplify right side
    51,169.20x = 1,054,008,090.75
  5. Step 5: Solve for x
    x = 1,054,008,090.75/51,169.20
  6. Step 6: Final answer
    x = 20,598.49

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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.