Home / 40,105.04-55,349.12-23,109.96

Finding the Fourth Proportional to 40,105.04, 55,349.12 and 23,109.96

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Solution

The fourth proportional to 40,105.04, 55,349.12 and 23,109.96 is: 31,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105.04 : 55,349.12 = 23,109.96 : x
  2. Step 2: Convert to fraction form
    40,105.04/55,349.12 = 23,109.96/x
  3. Step 3: Cross multiply
    40,105.04x = 55,349.12 × 23,109.96
  4. Step 4: Simplify right side
    40,105.04x = 1,279,115,949.24
  5. Step 5: Solve for x
    x = 1,279,115,949.24/40,105.04
  6. Step 6: Final answer
    x = 31,894.14

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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.