Home / 43,159.48-64,712.42-18,186.68

Finding the Fourth Proportional to 43,159.48, 64,712.42 and 18,186.68

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Solution

The fourth proportional to 43,159.48, 64,712.42 and 18,186.68 is: 27,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,159.48 : 64,712.42 = 18,186.68 : x
  2. Step 2: Convert to fraction form
    43,159.48/64,712.42 = 18,186.68/x
  3. Step 3: Cross multiply
    43,159.48x = 64,712.42 × 18,186.68
  4. Step 4: Simplify right side
    43,159.48x = 1,176,904,074.57
  5. Step 5: Solve for x
    x = 1,176,904,074.57/43,159.48
  6. Step 6: Final answer
    x = 27,268.73

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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.