Home / 64,884.09-97,317.72-20,515.32

Finding the Fourth Proportional to 64,884.09, 97,317.72 and 20,515.32

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Solution

The fourth proportional to 64,884.09, 97,317.72 and 20,515.32 is: 30,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,884.09 : 97,317.72 = 20,515.32 : x
  2. Step 2: Convert to fraction form
    64,884.09/97,317.72 = 20,515.32/x
  3. Step 3: Cross multiply
    64,884.09x = 97,317.72 × 20,515.32
  4. Step 4: Simplify right side
    64,884.09x = 1,996,504,167.47
  5. Step 5: Solve for x
    x = 1,996,504,167.47/64,884.09
  6. Step 6: Final answer
    x = 30,770.32

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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.