Home / 65,218.21-97,827.32-18,471.09

Finding the Fourth Proportional to 65,218.21, 97,827.32 and 18,471.09

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Solution

The fourth proportional to 65,218.21, 97,827.32 and 18,471.09 is: 27,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,218.21 : 97,827.32 = 18,471.09 : x
  2. Step 2: Convert to fraction form
    65,218.21/97,827.32 = 18,471.09/x
  3. Step 3: Cross multiply
    65,218.21x = 97,827.32 × 18,471.09
  4. Step 4: Simplify right side
    65,218.21x = 1,806,977,232.18
  5. Step 5: Solve for x
    x = 1,806,977,232.18/65,218.21
  6. Step 6: Final answer
    x = 27,706.64

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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.