Home / 40,188.64-55,460.66-22,283.90

Finding the Fourth Proportional to 40,188.64, 55,460.66 and 22,283.90

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Solution

The fourth proportional to 40,188.64, 55,460.66 and 22,283.90 is: 30,751.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.64 : 55,460.66 = 22,283.90 : x
  2. Step 2: Convert to fraction form
    40,188.64/55,460.66 = 22,283.90/x
  3. Step 3: Cross multiply
    40,188.64x = 55,460.66 × 22,283.90
  4. Step 4: Simplify right side
    40,188.64x = 1,235,879,801.37
  5. Step 5: Solve for x
    x = 1,235,879,801.37/40,188.64
  6. Step 6: Final answer
    x = 30,751.97

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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.