Home / 65,519.74-98,262.60-18,761.68

Finding the Fourth Proportional to 65,519.74, 98,262.60 and 18,761.68

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Solution

The fourth proportional to 65,519.74, 98,262.60 and 18,761.68 is: 28,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,519.74 : 98,262.60 = 18,761.68 : x
  2. Step 2: Convert to fraction form
    65,519.74/98,262.60 = 18,761.68/x
  3. Step 3: Cross multiply
    65,519.74x = 98,262.60 × 18,761.68
  4. Step 4: Simplify right side
    65,519.74x = 1,843,571,457.17
  5. Step 5: Solve for x
    x = 1,843,571,457.17/65,519.74
  6. Step 6: Final answer
    x = 28,137.65

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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.