Home / 65,631.24-98,462.43-21,257.94

Finding the Fourth Proportional to 65,631.24, 98,462.43 and 21,257.94

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Solution

The fourth proportional to 65,631.24, 98,462.43 and 21,257.94 is: 31,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,631.24 : 98,462.43 = 21,257.94 : x
  2. Step 2: Convert to fraction form
    65,631.24/98,462.43 = 21,257.94/x
  3. Step 3: Cross multiply
    65,631.24x = 98,462.43 × 21,257.94
  4. Step 4: Simplify right side
    65,631.24x = 2,093,108,429.19
  5. Step 5: Solve for x
    x = 2,093,108,429.19/65,631.24
  6. Step 6: Final answer
    x = 31,891.95

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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.