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Finding the Fourth Proportional to 65,448.54, 98,172.88 and 18,701.42

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Solution

The fourth proportional to 65,448.54, 98,172.88 and 18,701.42 is: 28,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448.54 : 98,172.88 = 18,701.42 : x
  2. Step 2: Convert to fraction form
    65,448.54/98,172.88 = 18,701.42/x
  3. Step 3: Cross multiply
    65,448.54x = 98,172.88 × 18,701.42
  4. Step 4: Simplify right side
    65,448.54x = 1,835,971,723.87
  5. Step 5: Solve for x
    x = 1,835,971,723.87/65,448.54
  6. Step 6: Final answer
    x = 28,052.14

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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.