Home / 40,378.37-55,719.36-25,270.38

Finding the Fourth Proportional to 40,378.37, 55,719.36 and 25,270.38

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Solution

The fourth proportional to 40,378.37, 55,719.36 and 25,270.38 is: 34,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.37 : 55,719.36 = 25,270.38 : x
  2. Step 2: Convert to fraction form
    40,378.37/55,719.36 = 25,270.38/x
  3. Step 3: Cross multiply
    40,378.37x = 55,719.36 × 25,270.38
  4. Step 4: Simplify right side
    40,378.37x = 1,408,049,400.56
  5. Step 5: Solve for x
    x = 1,408,049,400.56/40,378.37
  6. Step 6: Final answer
    x = 34,871.38

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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.