Home / 40,499.21-55,871.64-25,381.58

Finding the Fourth Proportional to 40,499.21, 55,871.64 and 25,381.58

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Solution

The fourth proportional to 40,499.21, 55,871.64 and 25,381.58 is: 35,015.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,499.21 : 55,871.64 = 25,381.58 : x
  2. Step 2: Convert to fraction form
    40,499.21/55,871.64 = 25,381.58/x
  3. Step 3: Cross multiply
    40,499.21x = 55,871.64 × 25,381.58
  4. Step 4: Simplify right side
    40,499.21x = 1,418,110,221.03
  5. Step 5: Solve for x
    x = 1,418,110,221.03/40,499.21
  6. Step 6: Final answer
    x = 35,015.75

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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.