Home / 43,146.44-64,708.08-18,186.68

Finding the Fourth Proportional to 43,146.44, 64,708.08 and 18,186.68

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Solution

The fourth proportional to 43,146.44, 64,708.08 and 18,186.68 is: 27,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,146.44 : 64,708.08 = 18,186.68 : x
  2. Step 2: Convert to fraction form
    43,146.44/64,708.08 = 18,186.68/x
  3. Step 3: Cross multiply
    43,146.44x = 64,708.08 × 18,186.68
  4. Step 4: Simplify right side
    43,146.44x = 1,176,825,144.37
  5. Step 5: Solve for x
    x = 1,176,825,144.37/43,146.44
  6. Step 6: Final answer
    x = 27,275.14

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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.