Home / 65,922.13-98,889.05-18,537.64

Finding the Fourth Proportional to 65,922.13, 98,889.05 and 18,537.64

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Solution

The fourth proportional to 65,922.13, 98,889.05 and 18,537.64 is: 27,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,922.13 : 98,889.05 = 18,537.64 : x
  2. Step 2: Convert to fraction form
    65,922.13/98,889.05 = 18,537.64/x
  3. Step 3: Cross multiply
    65,922.13x = 98,889.05 × 18,537.64
  4. Step 4: Simplify right side
    65,922.13x = 1,833,169,608.84
  5. Step 5: Solve for x
    x = 1,833,169,608.84/65,922.13
  6. Step 6: Final answer
    x = 27,808.11

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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.