Home / 43,203.11-64,813.71-18,243.23

Finding the Fourth Proportional to 43,203.11, 64,813.71 and 18,243.23

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Solution

The fourth proportional to 43,203.11, 64,813.71 and 18,243.23 is: 27,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,203.11 : 64,813.71 = 18,243.23 : x
  2. Step 2: Convert to fraction form
    43,203.11/64,813.71 = 18,243.23/x
  3. Step 3: Cross multiply
    43,203.11x = 64,813.71 × 18,243.23
  4. Step 4: Simplify right side
    43,203.11x = 1,182,411,418.68
  5. Step 5: Solve for x
    x = 1,182,411,418.68/43,203.11
  6. Step 6: Final answer
    x = 27,368.66

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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.