Home / 40,138.35-55,390.93-22,234.52

Finding the Fourth Proportional to 40,138.35, 55,390.93 and 22,234.52

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Solution

The fourth proportional to 40,138.35, 55,390.93 and 22,234.52 is: 30,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,138.35 : 55,390.93 = 22,234.52 : x
  2. Step 2: Convert to fraction form
    40,138.35/55,390.93 = 22,234.52/x
  3. Step 3: Cross multiply
    40,138.35x = 55,390.93 × 22,234.52
  4. Step 4: Simplify right side
    40,138.35x = 1,231,590,740.90
  5. Step 5: Solve for x
    x = 1,231,590,740.90/40,138.35
  6. Step 6: Final answer
    x = 30,683.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.