Home / 65,609.08-98,429.24-21,235.84

Finding the Fourth Proportional to 65,609.08, 98,429.24 and 21,235.84

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Solution

The fourth proportional to 65,609.08, 98,429.24 and 21,235.84 is: 31,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,609.08 : 98,429.24 = 21,235.84 : x
  2. Step 2: Convert to fraction form
    65,609.08/98,429.24 = 21,235.84/x
  3. Step 3: Cross multiply
    65,609.08x = 98,429.24 × 21,235.84
  4. Step 4: Simplify right side
    65,609.08x = 2,090,226,993.64
  5. Step 5: Solve for x
    x = 2,090,226,993.64/65,609.08
  6. Step 6: Final answer
    x = 31,858.81

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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.