Home / 40,650.48-60,977.76-12,950.64

Finding the Fourth Proportional to 40,650.48, 60,977.76 and 12,950.64

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Solution

The fourth proportional to 40,650.48, 60,977.76 and 12,950.64 is: 19,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,650.48 : 60,977.76 = 12,950.64 : x
  2. Step 2: Convert to fraction form
    40,650.48/60,977.76 = 12,950.64/x
  3. Step 3: Cross multiply
    40,650.48x = 60,977.76 × 12,950.64
  4. Step 4: Simplify right side
    40,650.48x = 789,701,017.77
  5. Step 5: Solve for x
    x = 789,701,017.77/40,650.48
  6. Step 6: Final answer
    x = 19,426.61

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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.