Home / 65,491.62-98,237.31-18,106.59

Finding the Fourth Proportional to 65,491.62, 98,237.31 and 18,106.59

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Solution

The fourth proportional to 65,491.62, 98,237.31 and 18,106.59 is: 27,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,491.62 : 98,237.31 = 18,106.59 : x
  2. Step 2: Convert to fraction form
    65,491.62/98,237.31 = 18,106.59/x
  3. Step 3: Cross multiply
    65,491.62x = 98,237.31 × 18,106.59
  4. Step 4: Simplify right side
    65,491.62x = 1,778,743,064.44
  5. Step 5: Solve for x
    x = 1,778,743,064.44/65,491.62
  6. Step 6: Final answer
    x = 27,159.86

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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.