Home / 40,270.58-60,379.20-19,213.87

Finding the Fourth Proportional to 40,270.58, 60,379.20 and 19,213.87

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Solution

The fourth proportional to 40,270.58, 60,379.20 and 19,213.87 is: 28,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,270.58 : 60,379.20 = 19,213.87 : x
  2. Step 2: Convert to fraction form
    40,270.58/60,379.20 = 19,213.87/x
  3. Step 3: Cross multiply
    40,270.58x = 60,379.20 × 19,213.87
  4. Step 4: Simplify right side
    40,270.58x = 1,160,118,099.50
  5. Step 5: Solve for x
    x = 1,160,118,099.50/40,270.58
  6. Step 6: Final answer
    x = 28,808.08

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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.