Home / 40,222.80-60,305.40-16,837.20

Finding the Fourth Proportional to 40,222.80, 60,305.40 and 16,837.20

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Solution

The fourth proportional to 40,222.80, 60,305.40 and 16,837.20 is: 25,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,222.80 : 60,305.40 = 16,837.20 : x
  2. Step 2: Convert to fraction form
    40,222.80/60,305.40 = 16,837.20/x
  3. Step 3: Cross multiply
    40,222.80x = 60,305.40 × 16,837.20
  4. Step 4: Simplify right side
    40,222.80x = 1,015,374,080.88
  5. Step 5: Solve for x
    x = 1,015,374,080.88/40,222.80
  6. Step 6: Final answer
    x = 25,243.74

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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.