Home / 40,520.80-55,944.78-25,434.16

Finding the Fourth Proportional to 40,520.80, 55,944.78 and 25,434.16

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Solution

The fourth proportional to 40,520.80, 55,944.78 and 25,434.16 is: 35,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,520.80 : 55,944.78 = 25,434.16 : x
  2. Step 2: Convert to fraction form
    40,520.80/55,944.78 = 25,434.16/x
  3. Step 3: Cross multiply
    40,520.80x = 55,944.78 × 25,434.16
  4. Step 4: Simplify right side
    40,520.80x = 1,422,908,485.68
  5. Step 5: Solve for x
    x = 1,422,908,485.68/40,520.80
  6. Step 6: Final answer
    x = 35,115.51

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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.