Home / 40,512.89-55,904.15-25,400.72

Finding the Fourth Proportional to 40,512.89, 55,904.15 and 25,400.72

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Solution

The fourth proportional to 40,512.89, 55,904.15 and 25,400.72 is: 35,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,512.89 : 55,904.15 = 25,400.72 : x
  2. Step 2: Convert to fraction form
    40,512.89/55,904.15 = 25,400.72/x
  3. Step 3: Cross multiply
    40,512.89x = 55,904.15 × 25,400.72
  4. Step 4: Simplify right side
    40,512.89x = 1,420,005,533.98
  5. Step 5: Solve for x
    x = 1,420,005,533.98/40,512.89
  6. Step 6: Final answer
    x = 35,050.71

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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.