Home / 65,167.02-97,756.22-18,419.89

Finding the Fourth Proportional to 65,167.02, 97,756.22 and 18,419.89

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Solution

The fourth proportional to 65,167.02, 97,756.22 and 18,419.89 is: 27,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,167.02 : 97,756.22 = 18,419.89 : x
  2. Step 2: Convert to fraction form
    65,167.02/97,756.22 = 18,419.89/x
  3. Step 3: Cross multiply
    65,167.02x = 97,756.22 × 18,419.89
  4. Step 4: Simplify right side
    65,167.02x = 1,800,658,819.22
  5. Step 5: Solve for x
    x = 1,800,658,819.22/65,167.02
  6. Step 6: Final answer
    x = 27,631.44

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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.