Home / 40,199.26-55,478.31-22,300.05

Finding the Fourth Proportional to 40,199.26, 55,478.31 and 22,300.05

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Solution

The fourth proportional to 40,199.26, 55,478.31 and 22,300.05 is: 30,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.26 : 55,478.31 = 22,300.05 : x
  2. Step 2: Convert to fraction form
    40,199.26/55,478.31 = 22,300.05/x
  3. Step 3: Cross multiply
    40,199.26x = 55,478.31 × 22,300.05
  4. Step 4: Simplify right side
    40,199.26x = 1,237,169,003.29
  5. Step 5: Solve for x
    x = 1,237,169,003.29/40,199.26
  6. Step 6: Final answer
    x = 30,775.91

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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.