Home / 52,990.20-79,435.89-17,905.32

Finding the Fourth Proportional to 52,990.20, 79,435.89 and 17,905.32

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Solution

The fourth proportional to 52,990.20, 79,435.89 and 17,905.32 is: 26,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,990.20 : 79,435.89 = 17,905.32 : x
  2. Step 2: Convert to fraction form
    52,990.20/79,435.89 = 17,905.32/x
  3. Step 3: Cross multiply
    52,990.20x = 79,435.89 × 17,905.32
  4. Step 4: Simplify right side
    52,990.20x = 1,422,325,029.93
  5. Step 5: Solve for x
    x = 1,422,325,029.93/52,990.20
  6. Step 6: Final answer
    x = 26,841.28

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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.