Home / 43,180.47-64,742.88-18,213.84

Finding the Fourth Proportional to 43,180.47, 64,742.88 and 18,213.84

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Solution

The fourth proportional to 43,180.47, 64,742.88 and 18,213.84 is: 27,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,180.47 : 64,742.88 = 18,213.84 : x
  2. Step 2: Convert to fraction form
    43,180.47/64,742.88 = 18,213.84/x
  3. Step 3: Cross multiply
    43,180.47x = 64,742.88 × 18,213.84
  4. Step 4: Simplify right side
    43,180.47x = 1,179,216,042.68
  5. Step 5: Solve for x
    x = 1,179,216,042.68/43,180.47
  6. Step 6: Final answer
    x = 27,309.02

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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.