Home / 40,309.19-55,626.27-22,403.81

Finding the Fourth Proportional to 40,309.19, 55,626.27 and 22,403.81

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Solution

The fourth proportional to 40,309.19, 55,626.27 and 22,403.81 is: 30,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.19 : 55,626.27 = 22,403.81 : x
  2. Step 2: Convert to fraction form
    40,309.19/55,626.27 = 22,403.81/x
  3. Step 3: Cross multiply
    40,309.19x = 55,626.27 × 22,403.81
  4. Step 4: Simplify right side
    40,309.19x = 1,246,240,105.96
  5. Step 5: Solve for x
    x = 1,246,240,105.96/40,309.19
  6. Step 6: Final answer
    x = 30,917.03

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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.