Home / 43,367.40-65,006.37-21,153.33

Finding the Fourth Proportional to 43,367.40, 65,006.37 and 21,153.33

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Solution

The fourth proportional to 43,367.40, 65,006.37 and 21,153.33 is: 31,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,367.40 : 65,006.37 = 21,153.33 : x
  2. Step 2: Convert to fraction form
    43,367.40/65,006.37 = 21,153.33/x
  3. Step 3: Cross multiply
    43,367.40x = 65,006.37 × 21,153.33
  4. Step 4: Simplify right side
    43,367.40x = 1,375,101,196.71
  5. Step 5: Solve for x
    x = 1,375,101,196.71/43,367.40
  6. Step 6: Final answer
    x = 31,708.18

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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.