Home / 40,297.88-60,429-18,110.36

Finding the Fourth Proportional to 40,297.88, 60,429 and 18,110.36

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Solution

The fourth proportional to 40,297.88, 60,429 and 18,110.36 is: 27,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,297.88 : 60,429 = 18,110.36 : x
  2. Step 2: Convert to fraction form
    40,297.88/60,429 = 18,110.36/x
  3. Step 3: Cross multiply
    40,297.88x = 60,429 × 18,110.36
  4. Step 4: Simplify right side
    40,297.88x = 1,094,390,944.44
  5. Step 5: Solve for x
    x = 1,094,390,944.44/40,297.88
  6. Step 6: Final answer
    x = 27,157.53

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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.