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Finding the Fourth Proportional to 40,230.20, 60,230.10 and 35,622.20

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Solution

The fourth proportional to 40,230.20, 60,230.10 and 35,622.20 is: 53,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230.20 : 60,230.10 = 35,622.20 : x
  2. Step 2: Convert to fraction form
    40,230.20/60,230.10 = 35,622.20/x
  3. Step 3: Cross multiply
    40,230.20x = 60,230.10 × 35,622.20
  4. Step 4: Simplify right side
    40,230.20x = 2,145,528,668.22
  5. Step 5: Solve for x
    x = 2,145,528,668.22/40,230.20
  6. Step 6: Final answer
    x = 53,331.30

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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.