Home / 40,622.44-60,920.64-12,913.96

Finding the Fourth Proportional to 40,622.44, 60,920.64 and 12,913.96

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Solution

The fourth proportional to 40,622.44, 60,920.64 and 12,913.96 is: 19,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,622.44 : 60,920.64 = 12,913.96 : x
  2. Step 2: Convert to fraction form
    40,622.44/60,920.64 = 12,913.96/x
  3. Step 3: Cross multiply
    40,622.44x = 60,920.64 × 12,913.96
  4. Step 4: Simplify right side
    40,622.44x = 786,726,708.13
  5. Step 5: Solve for x
    x = 786,726,708.13/40,622.44
  6. Step 6: Final answer
    x = 19,366.80

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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.