Home / 43,203.64-64,814.16-18,243.68

Finding the Fourth Proportional to 43,203.64, 64,814.16 and 18,243.68

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Solution

The fourth proportional to 43,203.64, 64,814.16 and 18,243.68 is: 27,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,203.64 : 64,814.16 = 18,243.68 : x
  2. Step 2: Convert to fraction form
    43,203.64/64,814.16 = 18,243.68/x
  3. Step 3: Cross multiply
    43,203.64x = 64,814.16 × 18,243.68
  4. Step 4: Simplify right side
    43,203.64x = 1,182,448,794.51
  5. Step 5: Solve for x
    x = 1,182,448,794.51/43,203.64
  6. Step 6: Final answer
    x = 27,369.19

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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.