Home / 43,731.36-65,597-18,755.28

Finding the Fourth Proportional to 43,731.36, 65,597 and 18,755.28

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Solution

The fourth proportional to 43,731.36, 65,597 and 18,755.28 is: 28,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,731.36 : 65,597 = 18,755.28 : x
  2. Step 2: Convert to fraction form
    43,731.36/65,597 = 18,755.28/x
  3. Step 3: Cross multiply
    43,731.36x = 65,597 × 18,755.28
  4. Step 4: Simplify right side
    43,731.36x = 1,230,290,102.16
  5. Step 5: Solve for x
    x = 1,230,290,102.16/43,731.36
  6. Step 6: Final answer
    x = 28,132.90

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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.