Home / 40,234.31-60,327.93-12,145.94

Finding the Fourth Proportional to 40,234.31, 60,327.93 and 12,145.94

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Solution

The fourth proportional to 40,234.31, 60,327.93 and 12,145.94 is: 18,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.31 : 60,327.93 = 12,145.94 : x
  2. Step 2: Convert to fraction form
    40,234.31/60,327.93 = 12,145.94/x
  3. Step 3: Cross multiply
    40,234.31x = 60,327.93 × 12,145.94
  4. Step 4: Simplify right side
    40,234.31x = 732,739,116.46
  5. Step 5: Solve for x
    x = 732,739,116.46/40,234.31
  6. Step 6: Final answer
    x = 18,211.80

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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.