Home / 41,086.03-61,628.91-9,921.28

Finding the Fourth Proportional to 41,086.03, 61,628.91 and 9,921.28

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Solution

The fourth proportional to 41,086.03, 61,628.91 and 9,921.28 is: 14,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,086.03 : 61,628.91 = 9,921.28 : x
  2. Step 2: Convert to fraction form
    41,086.03/61,628.91 = 9,921.28/x
  3. Step 3: Cross multiply
    41,086.03x = 61,628.91 × 9,921.28
  4. Step 4: Simplify right side
    41,086.03x = 611,437,672.20
  5. Step 5: Solve for x
    x = 611,437,672.20/41,086.03
  6. Step 6: Final answer
    x = 14,881.89

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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.