Home / 40,081.96-55,303.15-25,917.76

Finding the Fourth Proportional to 40,081.96, 55,303.15 and 25,917.76

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Solution

The fourth proportional to 40,081.96, 55,303.15 and 25,917.76 is: 35,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,081.96 : 55,303.15 = 25,917.76 : x
  2. Step 2: Convert to fraction form
    40,081.96/55,303.15 = 25,917.76/x
  3. Step 3: Cross multiply
    40,081.96x = 55,303.15 × 25,917.76
  4. Step 4: Simplify right side
    40,081.96x = 1,433,333,768.94
  5. Step 5: Solve for x
    x = 1,433,333,768.94/40,081.96
  6. Step 6: Final answer
    x = 35,760.07

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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.