Home / 40,311.64-60,467.60-12,231.93

Finding the Fourth Proportional to 40,311.64, 60,467.60 and 12,231.93

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Solution

The fourth proportional to 40,311.64, 60,467.60 and 12,231.93 is: 18,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.64 : 60,467.60 = 12,231.93 : x
  2. Step 2: Convert to fraction form
    40,311.64/60,467.60 = 12,231.93/x
  3. Step 3: Cross multiply
    40,311.64x = 60,467.60 × 12,231.93
  4. Step 4: Simplify right side
    40,311.64x = 739,635,298.87
  5. Step 5: Solve for x
    x = 739,635,298.87/40,311.64
  6. Step 6: Final answer
    x = 18,347.93

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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.