Home / 40,109.92-55,333.96-25,765.11

Finding the Fourth Proportional to 40,109.92, 55,333.96 and 25,765.11

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Solution

The fourth proportional to 40,109.92, 55,333.96 and 25,765.11 is: 35,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.92 : 55,333.96 = 25,765.11 : x
  2. Step 2: Convert to fraction form
    40,109.92/55,333.96 = 25,765.11/x
  3. Step 3: Cross multiply
    40,109.92x = 55,333.96 × 25,765.11
  4. Step 4: Simplify right side
    40,109.92x = 1,425,685,501.72
  5. Step 5: Solve for x
    x = 1,425,685,501.72/40,109.92
  6. Step 6: Final answer
    x = 35,544.46

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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.