Home / 43,722.47-65,569.73-18,755.82

Finding the Fourth Proportional to 43,722.47, 65,569.73 and 18,755.82

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Solution

The fourth proportional to 43,722.47, 65,569.73 and 18,755.82 is: 28,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.47 : 65,569.73 = 18,755.82 : x
  2. Step 2: Convert to fraction form
    43,722.47/65,569.73 = 18,755.82/x
  3. Step 3: Cross multiply
    43,722.47x = 65,569.73 × 18,755.82
  4. Step 4: Simplify right side
    43,722.47x = 1,229,814,053.33
  5. Step 5: Solve for x
    x = 1,229,814,053.33/43,722.47
  6. Step 6: Final answer
    x = 28,127.74

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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.