Home / 40,134.16-55,405.20-25,998.40

Finding the Fourth Proportional to 40,134.16, 55,405.20 and 25,998.40

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Solution

The fourth proportional to 40,134.16, 55,405.20 and 25,998.40 is: 35,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.16 : 55,405.20 = 25,998.40 : x
  2. Step 2: Convert to fraction form
    40,134.16/55,405.20 = 25,998.40/x
  3. Step 3: Cross multiply
    40,134.16x = 55,405.20 × 25,998.40
  4. Step 4: Simplify right side
    40,134.16x = 1,440,446,551.68
  5. Step 5: Solve for x
    x = 1,440,446,551.68/40,134.16
  6. Step 6: Final answer
    x = 35,890.79

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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.