Home / 43,110.33-64,672.32-13,521.13

Finding the Fourth Proportional to 43,110.33, 64,672.32 and 13,521.13

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Solution

The fourth proportional to 43,110.33, 64,672.32 and 13,521.13 is: 20,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,110.33 : 64,672.32 = 13,521.13 : x
  2. Step 2: Convert to fraction form
    43,110.33/64,672.32 = 13,521.13/x
  3. Step 3: Cross multiply
    43,110.33x = 64,672.32 × 13,521.13
  4. Step 4: Simplify right side
    43,110.33x = 874,442,735.15
  5. Step 5: Solve for x
    x = 874,442,735.15/43,110.33
  6. Step 6: Final answer
    x = 20,283.83

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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.