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Finding the Fourth Proportional to 65,034.63, 97,551.99 and 18,287.51

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Solution

The fourth proportional to 65,034.63, 97,551.99 and 18,287.51 is: 27,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,034.63 : 97,551.99 = 18,287.51 : x
  2. Step 2: Convert to fraction form
    65,034.63/97,551.99 = 18,287.51/x
  3. Step 3: Cross multiply
    65,034.63x = 97,551.99 × 18,287.51
  4. Step 4: Simplify right side
    65,034.63x = 1,783,982,504.88
  5. Step 5: Solve for x
    x = 1,783,982,504.88/65,034.63
  6. Step 6: Final answer
    x = 27,431.27

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1.5x scale

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.