Home / 64,668.38-97,002.59-20,298.60

Finding the Fourth Proportional to 64,668.38, 97,002.59 and 20,298.60

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Solution

The fourth proportional to 64,668.38, 97,002.59 and 20,298.60 is: 30,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,668.38 : 97,002.59 = 20,298.60 : x
  2. Step 2: Convert to fraction form
    64,668.38/97,002.59 = 20,298.60/x
  3. Step 3: Cross multiply
    64,668.38x = 97,002.59 × 20,298.60
  4. Step 4: Simplify right side
    64,668.38x = 1,969,016,671.88
  5. Step 5: Solve for x
    x = 1,969,016,671.88/64,668.38
  6. Step 6: Final answer
    x = 30,447.91

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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.