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Finding the Fourth Proportional to 65,246.80, 97,860.60 and 18,504.40

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Solution

The fourth proportional to 65,246.80, 97,860.60 and 18,504.40 is: 27,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,246.80 : 97,860.60 = 18,504.40 : x
  2. Step 2: Convert to fraction form
    65,246.80/97,860.60 = 18,504.40/x
  3. Step 3: Cross multiply
    65,246.80x = 97,860.60 × 18,504.40
  4. Step 4: Simplify right side
    65,246.80x = 1,810,851,686.64
  5. Step 5: Solve for x
    x = 1,810,851,686.64/65,246.80
  6. Step 6: Final answer
    x = 27,753.88

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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.