Home / 40,107.12-55,349.13-23,110.05

Finding the Fourth Proportional to 40,107.12, 55,349.13 and 23,110.05

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Solution

The fourth proportional to 40,107.12, 55,349.13 and 23,110.05 is: 31,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,107.12 : 55,349.13 = 23,110.05 : x
  2. Step 2: Convert to fraction form
    40,107.12/55,349.13 = 23,110.05/x
  3. Step 3: Cross multiply
    40,107.12x = 55,349.13 × 23,110.05
  4. Step 4: Simplify right side
    40,107.12x = 1,279,121,161.76
  5. Step 5: Solve for x
    x = 1,279,121,161.76/40,107.12
  6. Step 6: Final answer
    x = 31,892.62

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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.