Home / 40,167.80-55,431.68-22,263.10

Finding the Fourth Proportional to 40,167.80, 55,431.68 and 22,263.10

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Solution

The fourth proportional to 40,167.80, 55,431.68 and 22,263.10 is: 30,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.80 : 55,431.68 = 22,263.10 : x
  2. Step 2: Convert to fraction form
    40,167.80/55,431.68 = 22,263.10/x
  3. Step 3: Cross multiply
    40,167.80x = 55,431.68 × 22,263.10
  4. Step 4: Simplify right side
    40,167.80x = 1,234,081,035.01
  5. Step 5: Solve for x
    x = 1,234,081,035.01/40,167.80
  6. Step 6: Final answer
    x = 30,723.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.