Home / 65,508.28-98,251.01-21,135.03

Finding the Fourth Proportional to 65,508.28, 98,251.01 and 21,135.03

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Solution

The fourth proportional to 65,508.28, 98,251.01 and 21,135.03 is: 31,698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,508.28 : 98,251.01 = 21,135.03 : x
  2. Step 2: Convert to fraction form
    65,508.28/98,251.01 = 21,135.03/x
  3. Step 3: Cross multiply
    65,508.28x = 98,251.01 × 21,135.03
  4. Step 4: Simplify right side
    65,508.28x = 2,076,538,043.88
  5. Step 5: Solve for x
    x = 2,076,538,043.88/65,508.28
  6. Step 6: Final answer
    x = 31,698.86

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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.