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Finding the Fourth Proportional to 79,468.32, 119,202.48 and 20,304.12

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Solution

The fourth proportional to 79,468.32, 119,202.48 and 20,304.12 is: 30,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,468.32 : 119,202.48 = 20,304.12 : x
  2. Step 2: Convert to fraction form
    79,468.32/119,202.48 = 20,304.12/x
  3. Step 3: Cross multiply
    79,468.32x = 119,202.48 × 20,304.12
  4. Step 4: Simplify right side
    79,468.32x = 2,420,301,458.22
  5. Step 5: Solve for x
    x = 2,420,301,458.22/79,468.32
  6. Step 6: Final answer
    x = 30,456.18

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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.