Home / 43,456.77-65,198.28-18,168.57

Finding the Fourth Proportional to 43,456.77, 65,198.28 and 18,168.57

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Solution

The fourth proportional to 43,456.77, 65,198.28 and 18,168.57 is: 27,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,456.77 : 65,198.28 = 18,168.57 : x
  2. Step 2: Convert to fraction form
    43,456.77/65,198.28 = 18,168.57/x
  3. Step 3: Cross multiply
    43,456.77x = 65,198.28 × 18,168.57
  4. Step 4: Simplify right side
    43,456.77x = 1,184,559,582.19
  5. Step 5: Solve for x
    x = 1,184,559,582.19/43,456.77
  6. Step 6: Final answer
    x = 27,258.34

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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.