Home / 64,889.96-97,335.04-18,142.80

Finding the Fourth Proportional to 64,889.96, 97,335.04 and 18,142.80

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Solution

The fourth proportional to 64,889.96, 97,335.04 and 18,142.80 is: 27,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,889.96 : 97,335.04 = 18,142.80 : x
  2. Step 2: Convert to fraction form
    64,889.96/97,335.04 = 18,142.80/x
  3. Step 3: Cross multiply
    64,889.96x = 97,335.04 × 18,142.80
  4. Step 4: Simplify right side
    64,889.96x = 1,765,930,163.71
  5. Step 5: Solve for x
    x = 1,765,930,163.71/64,889.96
  6. Step 6: Final answer
    x = 27,214.23

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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.