Home / 40,400.37-60,591.44-15,431.51

Finding the Fourth Proportional to 40,400.37, 60,591.44 and 15,431.51

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Solution

The fourth proportional to 40,400.37, 60,591.44 and 15,431.51 is: 23,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,400.37 : 60,591.44 = 15,431.51 : x
  2. Step 2: Convert to fraction form
    40,400.37/60,591.44 = 15,431.51/x
  3. Step 3: Cross multiply
    40,400.37x = 60,591.44 × 15,431.51
  4. Step 4: Simplify right side
    40,400.37x = 935,017,602.33
  5. Step 5: Solve for x
    x = 935,017,602.33/40,400.37
  6. Step 6: Final answer
    x = 23,143.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.