Home / 40,484.24-60,729.24-12,782

Finding the Fourth Proportional to 40,484.24, 60,729.24 and 12,782

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Solution

The fourth proportional to 40,484.24, 60,729.24 and 12,782 is: 19,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,484.24 : 60,729.24 = 12,782 : x
  2. Step 2: Convert to fraction form
    40,484.24/60,729.24 = 12,782/x
  3. Step 3: Cross multiply
    40,484.24x = 60,729.24 × 12,782
  4. Step 4: Simplify right side
    40,484.24x = 776,241,145.68
  5. Step 5: Solve for x
    x = 776,241,145.68/40,484.24
  6. Step 6: Final answer
    x = 19,173.91

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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.