Home / 40,313.20-55,628.40-22,406.08

Finding the Fourth Proportional to 40,313.20, 55,628.40 and 22,406.08

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Solution

The fourth proportional to 40,313.20, 55,628.40 and 22,406.08 is: 30,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,313.20 : 55,628.40 = 22,406.08 : x
  2. Step 2: Convert to fraction form
    40,313.20/55,628.40 = 22,406.08/x
  3. Step 3: Cross multiply
    40,313.20x = 55,628.40 × 22,406.08
  4. Step 4: Simplify right side
    40,313.20x = 1,246,414,380.67
  5. Step 5: Solve for x
    x = 1,246,414,380.67/40,313.20
  6. Step 6: Final answer
    x = 30,918.27

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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.