Home / 40,078.45-55,298.32-25,914.25

Finding the Fourth Proportional to 40,078.45, 55,298.32 and 25,914.25

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Solution

The fourth proportional to 40,078.45, 55,298.32 and 25,914.25 is: 35,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,078.45 : 55,298.32 = 25,914.25 : x
  2. Step 2: Convert to fraction form
    40,078.45/55,298.32 = 25,914.25/x
  3. Step 3: Cross multiply
    40,078.45x = 55,298.32 × 25,914.25
  4. Step 4: Simplify right side
    40,078.45x = 1,433,014,489.06
  5. Step 5: Solve for x
    x = 1,433,014,489.06/40,078.45
  6. Step 6: Final answer
    x = 35,755.24

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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.