Home / 43,097.20-64,619.32-16,771.28

Finding the Fourth Proportional to 43,097.20, 64,619.32 and 16,771.28

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Solution

The fourth proportional to 43,097.20, 64,619.32 and 16,771.28 is: 25,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,097.20 : 64,619.32 = 16,771.28 : x
  2. Step 2: Convert to fraction form
    43,097.20/64,619.32 = 16,771.28/x
  3. Step 3: Cross multiply
    43,097.20x = 64,619.32 × 16,771.28
  4. Step 4: Simplify right side
    43,097.20x = 1,083,748,709.13
  5. Step 5: Solve for x
    x = 1,083,748,709.13/43,097.20
  6. Step 6: Final answer
    x = 25,146.62

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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.