Home / 62,995.20-94,506.12-20,872.89

Finding the Fourth Proportional to 62,995.20, 94,506.12 and 20,872.89

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Solution

The fourth proportional to 62,995.20, 94,506.12 and 20,872.89 is: 31,313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,995.20 : 94,506.12 = 20,872.89 : x
  2. Step 2: Convert to fraction form
    62,995.20/94,506.12 = 20,872.89/x
  3. Step 3: Cross multiply
    62,995.20x = 94,506.12 × 20,872.89
  4. Step 4: Simplify right side
    62,995.20x = 1,972,615,847.09
  5. Step 5: Solve for x
    x = 1,972,615,847.09/62,995.20
  6. Step 6: Final answer
    x = 31,313.75

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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.