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Finding the Fourth Proportional to 67,052.48, 100,578.96 and 22,679.60

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Solution

The fourth proportional to 67,052.48, 100,578.96 and 22,679.60 is: 34,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,052.48 : 100,578.96 = 22,679.60 : x
  2. Step 2: Convert to fraction form
    67,052.48/100,578.96 = 22,679.60/x
  3. Step 3: Cross multiply
    67,052.48x = 100,578.96 × 22,679.60
  4. Step 4: Simplify right side
    67,052.48x = 2,281,090,581.22
  5. Step 5: Solve for x
    x = 2,281,090,581.22/67,052.48
  6. Step 6: Final answer
    x = 34,019.48

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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.