Home / 65,305.85-97,882.23-30,171.70

Finding the Fourth Proportional to 65,305.85, 97,882.23 and 30,171.70

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Solution

The fourth proportional to 65,305.85, 97,882.23 and 30,171.70 is: 45,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,305.85 : 97,882.23 = 30,171.70 : x
  2. Step 2: Convert to fraction form
    65,305.85/97,882.23 = 30,171.70/x
  3. Step 3: Cross multiply
    65,305.85x = 97,882.23 × 30,171.70
  4. Step 4: Simplify right side
    65,305.85x = 2,953,273,278.89
  5. Step 5: Solve for x
    x = 2,953,273,278.89/65,305.85
  6. Step 6: Final answer
    x = 45,222.19

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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.